CWE-113
AllowedImproper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
Abstraction: Variant · Status: Incomplete
The product receives data from an HTTP agent/component (e.g., web server, proxy, browser, etc.), but it does not neutralize or incorrectly neutralizes CR and LF characters before the data is included in outgoing HTTP headers.
200 vulnerabilities reference this CWE, most recent first.
GHSA-MQH5-C2WX-V3PQ
Vulnerability from github – Published: 2025-01-21 18:31 – Updated: 2025-01-21 18:31Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting') vulnerability in Payara Platform Payara Server (Grizzly, REST Management Interface modules), Payara Platform Payara Micro (Grizzly modules) allows Manipulating State, Identity Spoofing.This issue affects Payara Server: from 4.1.151 through 4.1.2.191.51, from 5.20.0 through 5.70.0, from 5.2020.2 through 5.2022.5, from 6.2022.1 through 6.2024.12, from 6.0.0 through 6.21.0; Payara Micro: from 4.1.152 through 4.1.2.191.51, from 5.20.0 through 5.70.0, from 5.2020.2 through 5.2022.5, from 6.2022.1 through 6.2024.12, from 6.0.0 through 6.21.0.
{
"affected": [],
"aliases": [
"CVE-2024-45687"
],
"database_specific": {
"cwe_ids": [
"CWE-113"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-01-21T17:15:14Z",
"severity": "LOW"
},
"details": "Improper Neutralization of CRLF Sequences in HTTP Headers (\u0027HTTP Request/Response Splitting\u0027) vulnerability in Payara Platform Payara Server (Grizzly, REST Management Interface modules), Payara Platform Payara Micro (Grizzly modules) allows Manipulating State, Identity Spoofing.This issue affects Payara Server: from 4.1.151 through 4.1.2.191.51, from 5.20.0 through 5.70.0, from 5.2020.2 through 5.2022.5, from 6.2022.1 through 6.2024.12, from 6.0.0 through 6.21.0; Payara Micro: from 4.1.152 through 4.1.2.191.51, from 5.20.0 through 5.70.0, from 5.2020.2 through 5.2022.5, from 6.2022.1 through 6.2024.12, from 6.0.0 through 6.21.0.",
"id": "GHSA-mqh5-c2wx-v3pq",
"modified": "2025-01-21T18:31:07Z",
"published": "2025-01-21T18:31:07Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-45687"
},
{
"type": "WEB",
"url": "https://docs.payara.fish/community/docs/6.2025.1/Release%20Notes/Release%20Notes%206.2025.1.html"
},
{
"type": "WEB",
"url": "https://docs.payara.fish/enterprise/docs/5.71.0/Release%20Notes/Release%20Notes%205.71.0.html"
},
{
"type": "WEB",
"url": "https://docs.payara.fish/enterprise/docs/Release%20Notes/Release%20Notes%206.22.0.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-MWCJ-9FQH-RC64
Vulnerability from github – Published: 2022-05-14 02:03 – Updated: 2022-05-14 02:03Monstra CMS V3.0.4 allows HTTP header injection in the plugins/captcha/crypt/cryptographp.php cfg parameter, a related issue to CVE-2012-2943.
{
"affected": [],
"aliases": [
"CVE-2018-16979"
],
"database_specific": {
"cwe_ids": [
"CWE-113"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2018-09-12T23:29:00Z",
"severity": "MODERATE"
},
"details": "Monstra CMS V3.0.4 allows HTTP header injection in the plugins/captcha/crypt/cryptographp.php cfg parameter, a related issue to CVE-2012-2943.",
"id": "GHSA-mwcj-9fqh-rc64",
"modified": "2022-05-14T02:03:03Z",
"published": "2022-05-14T02:03:03Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-16979"
},
{
"type": "WEB",
"url": "https://github.com/howchen/howchen/issues/4"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-MWH4-6H8G-PG8W
Vulnerability from github – Published: 2026-04-01 21:48 – Updated: 2026-04-01 21:48Summary
An attacker who controls the reason parameter when creating a Response may be able to inject extra headers or similar exploits.
Impact
In the unlikely situation that an application allows untrusted data to be used in the response's reason parameter, then an attacker could manipulate the response to send something different from what the developer intended.
Patch: https://github.com/aio-libs/aiohttp/commit/53b35a2f8869c37a133e60bf1a82a1c01642ba2b
{
"affected": [
{
"database_specific": {
"last_known_affected_version_range": "\u003c= 3.13.3"
},
"package": {
"ecosystem": "PyPI",
"name": "aiohttp"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.13.4"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2026-34519"
],
"database_specific": {
"cwe_ids": [
"CWE-113"
],
"github_reviewed": true,
"github_reviewed_at": "2026-04-01T21:48:24Z",
"nvd_published_at": "2026-04-01T21:17:00Z",
"severity": "LOW"
},
"details": "### Summary\n\nAn attacker who controls the `reason` parameter when creating a `Response` may be able to inject extra headers or similar exploits.\n\n### Impact\n\nIn the unlikely situation that an application allows untrusted data to be used in the response\u0027s `reason` parameter, then an attacker could manipulate the response to send something different from what the developer intended.\n\n-----\n\nPatch: https://github.com/aio-libs/aiohttp/commit/53b35a2f8869c37a133e60bf1a82a1c01642ba2b",
"id": "GHSA-mwh4-6h8g-pg8w",
"modified": "2026-04-01T21:48:24Z",
"published": "2026-04-01T21:48:24Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/security/advisories/GHSA-mwh4-6h8g-pg8w"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34519"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/commit/53b35a2f8869c37a133e60bf1a82a1c01642ba2b"
},
{
"type": "PACKAGE",
"url": "https://github.com/aio-libs/aiohttp"
},
{
"type": "WEB",
"url": "https://github.com/aio-libs/aiohttp/releases/tag/v3.13.4"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U",
"type": "CVSS_V4"
}
],
"summary": "AIOHTTP has HTTP response splitting via \\r in reason phrase"
}
GHSA-PFQJ-W6R6-G86V
Vulnerability from github – Published: 2025-03-27 18:01 – Updated: 2025-03-28 16:12Impact
HTTP Response Header Injection in Pitchfork Versions < 0.11.0 when used in conjunction with Rack 3
Patches
The issue was fixed in Pitchfork release 0.11.0
Workarounds
There are no known work arounds. Users must upgrade.
{
"affected": [
{
"package": {
"ecosystem": "RubyGems",
"name": "pitchfork"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.11.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2025-30221"
],
"database_specific": {
"cwe_ids": [
"CWE-113"
],
"github_reviewed": true,
"github_reviewed_at": "2025-03-27T18:01:18Z",
"nvd_published_at": "2025-03-27T15:16:02Z",
"severity": "MODERATE"
},
"details": "### Impact\nHTTP Response Header Injection in Pitchfork Versions \u003c 0.11.0 when used in conjunction with Rack 3\n\n### Patches\nThe issue was fixed in Pitchfork release 0.11.0\n\n### Workarounds\nThere are no known work arounds. Users must upgrade.",
"id": "GHSA-pfqj-w6r6-g86v",
"modified": "2025-03-28T16:12:43Z",
"published": "2025-03-27T18:01:18Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/Shopify/pitchfork/security/advisories/GHSA-pfqj-w6r6-g86v"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-30221"
},
{
"type": "WEB",
"url": "https://github.com/Shopify/pitchfork/commit/17ed9b61bf9f58957065f7405b66102daf86bf55"
},
{
"type": "PACKAGE",
"url": "https://github.com/Shopify/pitchfork"
},
{
"type": "WEB",
"url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/pitchfork/CVE-2025-30221.yml"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
}
],
"summary": "Pitchfork HTTP Request/Response Splitting vulnerability"
}
GHSA-Q3G2-M552-3R9C
Vulnerability from github – Published: 2026-07-24 21:52 – Updated: 2026-07-24 21:52Summary
SwiftNIO HTTP/2 was missing validation on inbound HEADERS frames that let CR, LF, NUL, SP and other control characters reach an HTTP/1.1 backend through NIOHTTP2's HTTP/2-to-HTTP/1 codec, enabling HTTP request smuggling or response splitting.
Impact
Two related gaps in inbound header validation, against any application using HTTP2ToHTTP1Codec (or HTTP2FramePayloadToHTTP1Codec) to front an HTTP/1.1 backend:
Regular header field values were only checked against a forbidden-name
list (connection, transfer-encoding, proxy-connection, keep-alive,
upgrade); the value itself was never inspected. An attacker-controlled
regular header field value containing CR or LF passed validation and, once
serialized as name: value CRLF by the codec, terminated the field early
and injected extra header lines into the outbound HTTP/1.1 message.
Pseudo-header values (:path in particular) were only checked against
CR, LF and NUL. A :path value containing SP serializes into the
request-target of METHOD SP request-target SP HTTP-version CRLF, so a
value like /a HTTP/1.1 produces GET /a HTTP/1.1 HTTP/1.1 — a
parser-differential request line depending on whether a downstream reader
takes the first or last SP-delimited token as the version.
Neither of these is reachable on a stock pipeline: NIOHTTP1's outbound
validator (enableOutboundHeaderValidation, on by default) already rejects
these characters on write. The exposure is pipelines that skip outbound
validation, or any code that reads validated-looking HTTPRequestHead.headers
and forwards the values on trusting that HTTP/2 already checked them.
Fix
Fixed in 48bfd90 and 45bdf67.
Mitigation
Upgrade to 1.45.0
{
"affected": [
{
"package": {
"ecosystem": "SwiftURL",
"name": "swift-nio-http2"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.45.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2026-64785"
],
"database_specific": {
"cwe_ids": [
"CWE-113",
"CWE-444"
],
"github_reviewed": true,
"github_reviewed_at": "2026-07-24T21:52:10Z",
"nvd_published_at": "2026-07-23T20:17:21Z",
"severity": "MODERATE"
},
"details": "## Summary\n\nSwiftNIO HTTP/2 was missing validation on inbound HEADERS frames that let\nCR, LF, NUL, SP and other control characters reach an HTTP/1.1 backend\nthrough NIOHTTP2\u0027s HTTP/2-to-HTTP/1 codec, enabling HTTP request smuggling\nor response splitting.\n\n## Impact\n\nTwo related gaps in inbound header validation, against any application\nusing HTTP2ToHTTP1Codec (or HTTP2FramePayloadToHTTP1Codec) to front an\nHTTP/1.1 backend:\n\nRegular header field values were only checked against a forbidden-name\nlist (connection, transfer-encoding, proxy-connection, keep-alive,\nupgrade); the value itself was never inspected. An attacker-controlled\nregular header field value containing CR or LF passed validation and, once\nserialized as `name: value CRLF` by the codec, terminated the field early\nand injected extra header lines into the outbound HTTP/1.1 message.\n\nPseudo-header values (`:path` in particular) were only checked against\nCR, LF and NUL. A `:path` value containing SP serializes into the\nrequest-target of `METHOD SP request-target SP HTTP-version CRLF`, so a\nvalue like `/a HTTP/1.1` produces `GET /a HTTP/1.1 HTTP/1.1` \u2014 a\nparser-differential request line depending on whether a downstream reader\ntakes the first or last SP-delimited token as the version.\n\nNeither of these is reachable on a stock pipeline: NIOHTTP1\u0027s outbound\nvalidator (`enableOutboundHeaderValidation`, on by default) already rejects\nthese characters on write. The exposure is pipelines that skip outbound\nvalidation, or any code that reads validated-looking `HTTPRequestHead.headers`\nand forwards the values on trusting that HTTP/2 already checked them.\n\n## Fix\n\nFixed in 48bfd90 and 45bdf67.\n\n## Mitigation\n\nUpgrade to 1.45.0",
"id": "GHSA-q3g2-m552-3r9c",
"modified": "2026-07-24T21:52:10Z",
"published": "2026-07-24T21:52:10Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/apple/swift-nio-http2/security/advisories/GHSA-q3g2-m552-3r9c"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64785"
},
{
"type": "WEB",
"url": "https://github.com/apple/swift-nio-http2/commit/45bdf670248be5f16ec0340e125dca285536f0fb"
},
{
"type": "WEB",
"url": "https://github.com/apple/swift-nio-http2/commit/48bfd9067d7d1d15c4789440127a0cf36222ea43"
},
{
"type": "PACKAGE",
"url": "https://github.com/apple/swift-nio-http2"
},
{
"type": "WEB",
"url": "https://github.com/apple/swift-nio-http2/releases/tag/1.45.0"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "swift-nio-http2: Missing CR/LF/NUL validation in header values"
}
GHSA-Q7JX-V53G-848W
Vulnerability from github – Published: 2026-07-10 00:03 – Updated: 2026-07-10 00:03Summary
Tesla.Multipart.add_content_type_param/2 appends caller-supplied strings to the multipart Content-Type header with no validation. A param value containing \r\n splits the header line, allowing an attacker who controls any content-type parameter (charset, boundary parameter, etc.) to inject arbitrary headers into the outbound HTTP request.
Details
add_content_type_param/2 in lib/tesla/multipart.ex stores the supplied string directly in multipart.content_type_params without any CR/LF check. headers/1 then joins all params with "; " and appends the result verbatim to the Content-Type header value. Because HTTP headers are delimited by \r\n, a param containing that sequence breaks out of the header field and introduces new header lines before the adapter writes the request to the socket.
The precondition is that untrusted input reaches add_content_type_param/2, which is the normal pattern for applications that accept user-supplied charset values, file type parameters, or any other content-type extension fields.
PoC
- Call
Tesla.Multipart.add_content_type_param/2with a value containing\r\nX-Injected: pwned. - Pass the resulting
Multipartstruct as the request body via any Tesla adapter. - The raw request on the wire contains
X-Injected: pwnedas a standalone header line.
Impact
Low severity (CVSS v4.0: 2.1). Any application using tesla 0.8.0 through 1.18.2 that passes untrusted input into Tesla.Multipart.add_content_type_param/2 is affected. Consequences range from forging arbitrary outbound request headers to potential request smuggling against the upstream server. Fixed in tesla 1.18.3.
Workarounds
Validate content-type parameter strings before passing them to Tesla.Multipart.add_content_type_param/2, rejecting any value that contains \r or \n.
Reesources
- Introduction commit: https://github.com/elixir-tesla/tesla/commit/6ebfdb9abe9c6f119408045b933d82462decd351
- Patch commit: https://github.com/elixir-tesla/tesla/commit/23601edac5d22ba9407b427967b5bdbda201aec2
{
"affected": [
{
"package": {
"ecosystem": "Hex",
"name": "tesla"
},
"ranges": [
{
"events": [
{
"introduced": "0.8.0"
},
{
"fixed": "1.18.3"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2026-48596"
],
"database_specific": {
"cwe_ids": [
"CWE-113",
"CWE-93"
],
"github_reviewed": true,
"github_reviewed_at": "2026-07-10T00:03:12Z",
"nvd_published_at": "2026-06-02T20:16:38Z",
"severity": "LOW"
},
"details": "### Summary\n\n`Tesla.Multipart.add_content_type_param/2` appends caller-supplied strings to the multipart `Content-Type` header with no validation. A param value containing `\\r\\n` splits the header line, allowing an attacker who controls any content-type parameter (charset, boundary parameter, etc.) to inject arbitrary headers into the outbound HTTP request.\n\n### Details\n\n`add_content_type_param/2` in `lib/tesla/multipart.ex` stores the supplied string directly in `multipart.content_type_params` without any CR/LF check. `headers/1` then joins all params with `\"; \"` and appends the result verbatim to the `Content-Type` header value. Because HTTP headers are delimited by `\\r\\n`, a param containing that sequence breaks out of the header field and introduces new header lines before the adapter writes the request to the socket.\n\nThe precondition is that untrusted input reaches `add_content_type_param/2`, which is the normal pattern for applications that accept user-supplied charset values, file type parameters, or any other content-type extension fields.\n\n### PoC\n\n1. Call `Tesla.Multipart.add_content_type_param/2` with a value containing `\\r\\nX-Injected: pwned`.\n2. Pass the resulting `Multipart` struct as the request body via any Tesla adapter.\n3. The raw request on the wire contains `X-Injected: pwned` as a standalone header line.\n\n### Impact\n\nLow severity (CVSS v4.0: 2.1). Any application using `tesla` 0.8.0 through 1.18.2 that passes untrusted input into `Tesla.Multipart.add_content_type_param/2` is affected. Consequences range from forging arbitrary outbound request headers to potential request smuggling against the upstream server. Fixed in tesla 1.18.3.\n\n### Workarounds\n\nValidate content-type parameter strings before passing them to `Tesla.Multipart.add_content_type_param/2`, rejecting any value that contains `\\r` or `\\n`.\n\n### Reesources\n\n* Introduction commit: https://github.com/elixir-tesla/tesla/commit/6ebfdb9abe9c6f119408045b933d82462decd351\n* Patch commit: https://github.com/elixir-tesla/tesla/commit/23601edac5d22ba9407b427967b5bdbda201aec2",
"id": "GHSA-q7jx-v53g-848w",
"modified": "2026-07-10T00:03:12Z",
"published": "2026-07-10T00:03:12Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/elixir-tesla/tesla/security/advisories/GHSA-q7jx-v53g-848w"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48596"
},
{
"type": "WEB",
"url": "https://github.com/elixir-tesla/tesla/commit/23601edac5d22ba9407b427967b5bdbda201aec2"
},
{
"type": "WEB",
"url": "https://cna.erlef.org/cves/CVE-2026-48596.html"
},
{
"type": "PACKAGE",
"url": "https://github.com/elixir-tesla/tesla"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/EEF-CVE-2026-48596"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N",
"type": "CVSS_V4"
}
],
"summary": "Tesla has CRLF injection in request `Content-Type` header via `add_content_type_param`"
}
GHSA-QCM3-7879-XCWW
Vulnerability from github – Published: 2024-08-15 21:46 – Updated: 2024-09-30 19:48Impact
Gateway API HTTPRoutes and GRPCRoutes do not follow the match precedence specified in the Gateway API specification. In particular, request headers are matched before request methods, when the specification describes that the request methods must be respected before headers are matched (HTTPRouteRule, GRPCRouteRule).
If users create Gateway API resources that use both request headers and request methods in order to route to different destinations, then traffic may be delivered to the incorrect backend. If the backend does not have Network Policy restricting acceptable traffic to receive, then requests may access information that you did not intend for them to access.
Patches
This issue was fixed in https://github.com/cilium/cilium/pull/34109.
This issue affects: - Cilium v1.15 between v1.15.0 and v1.15.7 inclusive - Cilium v1.16.0
This issue is fixed in: - Cilium v1.15.8 - Cilium v1.16.1
Workarounds
There is no workaround for this issue.
Acknowledgements
The Cilium community has worked together with members of Cure53 and Isovalent to prepare these mitigations. Special thanks to @sayboras for remediating this issue.
Further information
If you have any questions or comments about this advisory, please reach out on Slack.
If you think you have found a vulnerability affecting Cilium, we strongly encourage you to report it to our security mailing list at security@cilium.io. This is a private mailing list for the Cilium security team, and your report will be treated as top priority.
{
"affected": [
{
"package": {
"ecosystem": "Go",
"name": "github.com/cilium/cilium"
},
"ranges": [
{
"events": [
{
"introduced": "1.16.0"
},
{
"fixed": "1.16.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.16.0"
]
},
{
"package": {
"ecosystem": "Go",
"name": "github.com/cilium/cilium"
},
"ranges": [
{
"events": [
{
"introduced": "1.15.0"
},
{
"fixed": "1.15.8"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2024-42487"
],
"database_specific": {
"cwe_ids": [
"CWE-113",
"CWE-436"
],
"github_reviewed": true,
"github_reviewed_at": "2024-08-15T21:46:46Z",
"nvd_published_at": "2024-08-15T21:15:16Z",
"severity": "MODERATE"
},
"details": "### Impact\n\nGateway API HTTPRoutes and GRPCRoutes do not follow the match precedence specified in the Gateway API specification. In particular, request headers are matched before request methods, when the specification describes that the request methods must be respected before headers are matched ([HTTPRouteRule](https://gateway-api.sigs.k8s.io/reference/spec/#gateway.networking.k8s.io/v1.HTTPRouteRule), [GRPCRouteRule](https://gateway-api.sigs.k8s.io/reference/spec/#gateway.networking.k8s.io%2fv1.GRPCRouteRule)).\n\nIf users create Gateway API resources that use both request headers and request methods in order to route to different destinations, then traffic may be delivered to the incorrect backend. If the backend does not have Network Policy restricting acceptable traffic to receive, then requests may access information that you did not intend for them to access.\n\n### Patches\n\nThis issue was fixed in https://github.com/cilium/cilium/pull/34109.\n\nThis issue affects:\n- Cilium v1.15 between v1.15.0 and v1.15.7 inclusive\n- Cilium v1.16.0\n\nThis issue is fixed in:\n- Cilium v1.15.8\n- Cilium v1.16.1\n\n### Workarounds\n\nThere is no workaround for this issue.\n\n### Acknowledgements\n\nThe Cilium community has worked together with members of Cure53 and Isovalent to prepare these mitigations. Special thanks to @sayboras for remediating this issue.\n\n### Further information\n\nIf you have any questions or comments about this advisory, please reach out on [Slack](https://docs.cilium.io/en/latest/community/community/#slack).\n\nIf you think you have found a vulnerability affecting Cilium, we strongly encourage you to report it to our security mailing list at [security@cilium.io](mailto:security@cilium.io). This is a private mailing list for the Cilium security team, and your report will be treated as top priority.\n",
"id": "GHSA-qcm3-7879-xcww",
"modified": "2024-09-30T19:48:17Z",
"published": "2024-08-15T21:46:46Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/cilium/cilium/security/advisories/GHSA-qcm3-7879-xcww"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-42487"
},
{
"type": "WEB",
"url": "https://github.com/cilium/cilium/pull/34109"
},
{
"type": "WEB",
"url": "https://github.com/cilium/cilium/commit/a3510fe4a92305822aa1a5e08cb6d6c873c8699a"
},
{
"type": "WEB",
"url": "https://github.com/cilium/cilium/commit/d88772b9c29e370becbc4547cada6711d51edcde"
},
{
"type": "WEB",
"url": "https://github.com/cilium/cilium/commit/fe42273566a943a0f3174c87b23a195c856b51d6"
},
{
"type": "PACKAGE",
"url": "https://github.com/cilium/cilium"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N",
"type": "CVSS_V3"
}
],
"summary": "Gateway API route matching order contradicts specification"
}
GHSA-QF37-5GQV-7F3M
Vulnerability from github – Published: 2026-09-15 18:32 – Updated: 2026-09-15 18:32Tornado before 6.4.1 contains a CRLF injection vulnerability in CurlAsyncHTTPClient that fails to reject carriage return and line feed characters in request headers. Attackers can inject CRLF sequences into header values to inject arbitrary headers or construct entirely new HTTP requests.
{
"affected": [],
"aliases": [
"CVE-2024-58384"
],
"database_specific": {
"cwe_ids": [
"CWE-113"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-09-15T16:17:07Z",
"severity": "MODERATE"
},
"details": "Tornado before 6.4.1 contains a CRLF injection vulnerability in CurlAsyncHTTPClient that fails to reject carriage return and line feed characters in request headers. Attackers can inject CRLF sequences into header values to inject arbitrary headers or construct entirely new HTTP requests.",
"id": "GHSA-qf37-5gqv-7f3m",
"modified": "2026-09-15T18:32:25Z",
"published": "2026-09-15T18:32:24Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/tornadoweb/tornado/security/advisories/GHSA-w235-7p84-xx57"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-58384"
},
{
"type": "WEB",
"url": "https://www.vulncheck.com/advisories/tornado-before-6.4.1-crlf-injection-via-curlasynchttpclient"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-QPF8-FQRF-8P2H
Vulnerability from github – Published: 2022-05-14 03:56 – Updated: 2025-04-12 13:05CRLF injection vulnerability in the ServerResponse#writeHead function in Node.js 0.10.x before 0.10.47, 0.12.x before 0.12.16, 4.x before 4.6.0, and 6.x before 6.7.0 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the reason argument.
{
"affected": [],
"aliases": [
"CVE-2016-5325"
],
"database_specific": {
"cwe_ids": [
"CWE-113"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2016-10-10T16:59:00Z",
"severity": "MODERATE"
},
"details": "CRLF injection vulnerability in the ServerResponse#writeHead function in Node.js 0.10.x before 0.10.47, 0.12.x before 0.12.16, 4.x before 4.6.0, and 6.x before 6.7.0 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the reason argument.",
"id": "GHSA-qpf8-fqrf-8p2h",
"modified": "2025-04-12T13:05:21Z",
"published": "2022-05-14T03:56:33Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2016-5325"
},
{
"type": "WEB",
"url": "https://github.com/nodejs/node/commit/c0f13e56a20f9bde5a67d873a7f9564487160762"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2016:2101"
},
{
"type": "WEB",
"url": "https://nodejs.org/en/blog/vulnerability/september-2016-security-releases"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/201612-43"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00013.html"
},
{
"type": "WEB",
"url": "http://rhn.redhat.com/errata/RHSA-2017-0002.html"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/93483"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-QX55-2CP2-7PPQ
Vulnerability from github – Published: 2023-06-07 18:30 – Updated: 2024-04-04 04:39An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.4 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. Open redirection was possible via HTTP response splitting in the NPM package API.
{
"affected": [],
"aliases": [
"CVE-2023-0508"
],
"database_specific": {
"cwe_ids": [
"CWE-113"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-06-07T17:15:09Z",
"severity": "MODERATE"
},
"details": "An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.4 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. Open redirection was possible via HTTP response splitting in the NPM package API.",
"id": "GHSA-qx55-2cp2-7ppq",
"modified": "2024-04-04T04:39:35Z",
"published": "2023-06-07T18:30:18Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-0508"
},
{
"type": "WEB",
"url": "https://hackerone.com/reports/1842314"
},
{
"type": "WEB",
"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0508.json"
},
{
"type": "WEB",
"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/389328"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
}
]
}
Mitigation
Strategy: Input Validation
Construct HTTP headers very carefully, avoiding the use of non-validated input data.
Mitigation MIT-5
Strategy: Input Validation
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. If an input does not strictly conform to specifications, reject it or transform it into something that conforms.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
Mitigation MIT-30
Strategy: Output Encoding
Use and specify an output encoding that can be handled by the downstream component that is reading the output. Common encodings include ISO-8859-1, UTF-7, and UTF-8. When an encoding is not specified, a downstream component may choose a different encoding, either by assuming a default encoding or automatically inferring which encoding is being used, which can be erroneous. When the encodings are inconsistent, the downstream component might treat some character or byte sequences as special, even if they are not special in the original encoding. Attackers might then be able to exploit this discrepancy and conduct injection attacks; they even might be able to bypass protection mechanisms that assume the original encoding is also being used by the downstream component.
Mitigation MIT-20
Strategy: Input Validation
Inputs should be decoded and canonicalized to the application's current internal representation before being validated (CWE-180). Make sure that the application does not decode the same input twice (CWE-174). Such errors could be used to bypass allowlist validation schemes by introducing dangerous inputs after they have been checked.
CAPEC-105: HTTP Request Splitting
An adversary abuses the flexibility and discrepancies in the parsing and interpretation of HTTP Request messages by different intermediary HTTP agents (e.g., load balancer, reverse proxy, web caching proxies, application firewalls, etc.) to split a single HTTP request into multiple unauthorized and malicious HTTP requests to a back-end HTTP agent (e.g., web server).
See CanPrecede relationships for possible consequences.
CAPEC-31: Accessing/Intercepting/Modifying HTTP Cookies
This attack relies on the use of HTTP Cookies to store credentials, state information and other critical data on client systems. There are several different forms of this attack. The first form of this attack involves accessing HTTP Cookies to mine for potentially sensitive data contained therein. The second form involves intercepting this data as it is transmitted from client to server. This intercepted information is then used by the adversary to impersonate the remote user/session. The third form is when the cookie's content is modified by the adversary before it is sent back to the server. Here the adversary seeks to convince the target server to operate on this falsified information.
CAPEC-34: HTTP Response Splitting
An adversary manipulates and injects malicious content, in the form of secret unauthorized HTTP responses, into a single HTTP response from a vulnerable or compromised back-end HTTP agent (e.g., web server) or into an already spoofed HTTP response from an adversary controlled domain/site.
See CanPrecede relationships for possible consequences.
CAPEC-85: AJAX Footprinting
This attack utilizes the frequent client-server roundtrips in Ajax conversation to scan a system. While Ajax does not open up new vulnerabilities per se, it does optimize them from an attacker point of view. A common first step for an attacker is to footprint the target environment to understand what attacks will work. Since footprinting relies on enumeration, the conversational pattern of rapid, multiple requests and responses that are typical in Ajax applications enable an attacker to look for many vulnerabilities, well-known ports, network locations and so on. The knowledge gained through Ajax fingerprinting can be used to support other attacks, such as XSS.