RHSA-2026:10153

Vulnerability from csaf_redhat - Published: 2026-04-23 13:52 - Updated: 2026-04-26 20:07
Summary
Red Hat Security Advisory: RHTAS 1.3.4 - Red Hat Trusted Artifact Signer Release
Severity
Important
Notes
Topic: The 1.3.4 release of Red Hat Trusted Artifact Signer OpenShift Operator. For more details please visit the product documentation at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.3
Details: The RHTAS Operator can be used with OpenShift Container Platform 4.16, 4.17, 4.18, 4.19 and 4.20
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
CVE-2026-4926

A flaw was found in path-to-regexp. A remote attacker could exploit this vulnerability by providing specially crafted input that generates a regular expression with multiple sequential optional groups. This leads to an exponential growth in the generated regular expression, causing a Denial of Service (DoS) due to excessive resource consumption.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-1333 - Inefficient Regular Expression Complexity
Vendor Fix Red Hat Trusted Artifact Signer simplifies cryptographic signing and verifying of software artifacts such as container images, binaries and source code changes. It is a self-managed on-premise deployment of the Sigstore project available at https://sigstore.dev Platform Engineers, Software Developers and Security Professionals may use RHTAS to ensure the integrity, transparency and assurance of their organization's software supply chain. For details on using the operator, refer to the product documentation at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.3 You can find the release notes for this version of Red Hat Trusted Artifact Signer at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.3/html-single/release_notes/index https://access.redhat.com/errata/RHSA-2026:10153
Workaround To mitigate this vulnerability, limit the use of multiple sequential optional groups in route patterns within applications that use `path-to-regexp`. Additionally, avoid directly passing user-controlled input as route patterns to prevent the generation of maliciously crafted regular expressions.
CVE-2026-33186

A flaw was found in gRPC-Go, the Go language implementation of gRPC. This vulnerability, an authorization bypass, is caused by improper input validation of the HTTP/2 `:path` pseudo-header. A remote attacker can exploit this by sending raw HTTP/2 frames with a malformed `:path` that omits the mandatory leading slash. This allows the attacker to bypass defined security policies, potentially leading to unauthorized access to services or information disclosure.

9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE-551 - Incorrect Behavior Order: Authorization Before Parsing and Canonicalization
Vendor Fix Red Hat Trusted Artifact Signer simplifies cryptographic signing and verifying of software artifacts such as container images, binaries and source code changes. It is a self-managed on-premise deployment of the Sigstore project available at https://sigstore.dev Platform Engineers, Software Developers and Security Professionals may use RHTAS to ensure the integrity, transparency and assurance of their organization's software supply chain. For details on using the operator, refer to the product documentation at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.3 You can find the release notes for this version of Red Hat Trusted Artifact Signer at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.3/html-single/release_notes/index https://access.redhat.com/errata/RHSA-2026:10153
Workaround To mitigate this issue, implement infrastructure-level normalization to ensure all incoming HTTP/2 `:path` headers are properly formatted with a leading slash before reaching the gRPC-Go server. This can be achieved by configuring a reverse proxy or API gateway to validate and normalize the `:path` header. Ensure that any such intermediary is properly configured and restarted to apply the changes, which may temporarily impact service availability.
CVE-2026-40175

A flaw was found in Axios, a promise-based HTTP client. This vulnerability, known as Prototype Pollution, can be exploited through a specific "Gadget" attack chain. This allows an attacker to escalate a Prototype Pollution vulnerability in a third-party dependency, potentially leading to remote code execution or a full cloud compromise, such as bypassing AWS IMDSv2.

9.0 (Critical)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes
Vendor Fix Red Hat Trusted Artifact Signer simplifies cryptographic signing and verifying of software artifacts such as container images, binaries and source code changes. It is a self-managed on-premise deployment of the Sigstore project available at https://sigstore.dev Platform Engineers, Software Developers and Security Professionals may use RHTAS to ensure the integrity, transparency and assurance of their organization's software supply chain. For details on using the operator, refer to the product documentation at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.3 You can find the release notes for this version of Red Hat Trusted Artifact Signer at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.3/html-single/release_notes/index https://access.redhat.com/errata/RHSA-2026:10153
References
https://access.redhat.com/errata/RHSA-2026:10153 self
https://access.redhat.com/documentation/en-us/red… external
https://access.redhat.com/documentation/en-us/red… external
https://access.redhat.com/security/cve/CVE-2026-33186 external
https://access.redhat.com/security/cve/CVE-2026-40175 external
https://access.redhat.com/security/cve/CVE-2026-4926 external
https://access.redhat.com/security/updates/classi… external
https://security.access.redhat.com/data/csaf/v2/a… self
https://access.redhat.com/security/cve/CVE-2026-4926 self
https://bugzilla.redhat.com/show_bug.cgi?id=2451867 external
https://www.cve.org/CVERecord?id=CVE-2026-4926 external
https://nvd.nist.gov/vuln/detail/CVE-2026-4926 external
https://cna.openjsf.org/security-advisories.html external
https://access.redhat.com/security/cve/CVE-2026-33186 self
https://bugzilla.redhat.com/show_bug.cgi?id=2449833 external
https://www.cve.org/CVERecord?id=CVE-2026-33186 external
https://nvd.nist.gov/vuln/detail/CVE-2026-33186 external
https://github.com/grpc/grpc-go/security/advisori… external
https://access.redhat.com/security/cve/CVE-2026-40175 self
https://bugzilla.redhat.com/show_bug.cgi?id=2457432 external
https://www.cve.org/CVERecord?id=CVE-2026-40175 external
https://nvd.nist.gov/vuln/detail/CVE-2026-40175 external
https://github.com/axios/axios/commit/363185461b9… external
https://github.com/axios/axios/pull/10660 external
https://github.com/axios/axios/releases/tag/v1.15.0 external
https://github.com/axios/axios/security/advisorie… external
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          "text": "google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rhtas-console-ui-rhel9@sha256:8bf79d15df12c6af59d76463ebbf5c4d505752dfaea8a48ea9b9aa42fc8146d4_amd64"
        ],
        "known_not_affected": [
          "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rhtas-console-rhel9@sha256:52f189620a3aaf143b57009671b41ccd1b95700591ae863f00c50a7d54591901_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-33186"
        },
        {
          "category": "external",
          "summary": "RHBZ#2449833",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2449833"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-33186",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-33186"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-33186",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33186"
        },
        {
          "category": "external",
          "summary": "https://github.com/grpc/grpc-go/security/advisories/GHSA-p77j-4mvh-x3m3",
          "url": "https://github.com/grpc/grpc-go/security/advisories/GHSA-p77j-4mvh-x3m3"
        }
      ],
      "release_date": "2026-03-20T22:23:32.147000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-04-23T13:52:18+00:00",
          "details": "Red Hat Trusted Artifact Signer simplifies cryptographic signing and verifying of software artifacts such as container images, binaries and source code changes. It is a self-managed on-premise deployment of the Sigstore project available at https://sigstore.dev\n\nPlatform Engineers, Software Developers and Security Professionals may use RHTAS to ensure the integrity, transparency and assurance of their organization\u0027s software supply chain.\n\nFor details on using the operator, refer to the product documentation at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.3\n\nYou can find the release notes for this version of Red Hat Trusted Artifact Signer at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.3/html-single/release_notes/index",
          "product_ids": [
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rhtas-console-ui-rhel9@sha256:8bf79d15df12c6af59d76463ebbf5c4d505752dfaea8a48ea9b9aa42fc8146d4_amd64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:10153"
        },
        {
          "category": "workaround",
          "details": "To mitigate this issue, implement infrastructure-level normalization to ensure all incoming HTTP/2 `:path` headers are properly formatted with a leading slash before reaching the gRPC-Go server. This can be achieved by configuring a reverse proxy or API gateway to validate and normalize the `:path` header. Ensure that any such intermediary is properly configured and restarted to apply the changes, which may temporarily impact service availability.",
          "product_ids": [
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rhtas-console-rhel9@sha256:52f189620a3aaf143b57009671b41ccd1b95700591ae863f00c50a7d54591901_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rhtas-console-ui-rhel9@sha256:8bf79d15df12c6af59d76463ebbf5c4d505752dfaea8a48ea9b9aa42fc8146d4_amd64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rhtas-console-rhel9@sha256:52f189620a3aaf143b57009671b41ccd1b95700591ae863f00c50a7d54591901_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rhtas-console-ui-rhel9@sha256:8bf79d15df12c6af59d76463ebbf5c4d505752dfaea8a48ea9b9aa42fc8146d4_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation"
    },
    {
      "cve": "CVE-2026-40175",
      "cwe": {
        "id": "CWE-915",
        "name": "Improperly Controlled Modification of Dynamically-Determined Object Attributes"
      },
      "discovery_date": "2026-04-10T20:02:10.296601+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rhtas-console-ui-rhel9@sha256:8bf79d15df12c6af59d76463ebbf5c4d505752dfaea8a48ea9b9aa42fc8146d4_amd64"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2457432"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Axios, a promise-based HTTP client. This vulnerability, known as Prototype Pollution, can be exploited through a specific \"Gadget\" attack chain. This allows an attacker to escalate a Prototype Pollution vulnerability in a third-party dependency, potentially leading to remote code execution or a full cloud compromise, such as bypassing AWS IMDSv2.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "axios: Axios: Remote Code Execution via Prototype Pollution escalation",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "The Axios library, a promise-based HTTP client, is susceptible to an Important prototype pollution vulnerability. This flaw, when combined with specific \"Gadget\" attack chains in third-party dependencies, can lead to remote code execution or full cloud compromise, including bypassing AWS IMDSv2.\n \nWith pollution check patch available in Axios gives an advantage, it remains vulnerable due to HTTP Header Sanitation and Server-Side Request Forgery threat.\n\nRed Hat products that incorporate the vulnerable Axios library are affected.\n\nThe openshift4/ose-monitoring-plugin-rhel9 container image is not vulnerable to this flaw. The affected component is used as a build-time dependency but it\u0027s not shipped in the final product, meaning the flaw is not present thus cannot be exploited in the container deployments.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rhtas-console-rhel9@sha256:52f189620a3aaf143b57009671b41ccd1b95700591ae863f00c50a7d54591901_amd64"
        ],
        "known_not_affected": [
          "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rhtas-console-ui-rhel9@sha256:8bf79d15df12c6af59d76463ebbf5c4d505752dfaea8a48ea9b9aa42fc8146d4_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-40175"
        },
        {
          "category": "external",
          "summary": "RHBZ#2457432",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2457432"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-40175",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-40175"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-40175",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40175"
        },
        {
          "category": "external",
          "summary": "https://github.com/axios/axios/commit/363185461b90b1b78845dc8a99a1f103d9b122a1",
          "url": "https://github.com/axios/axios/commit/363185461b90b1b78845dc8a99a1f103d9b122a1"
        },
        {
          "category": "external",
          "summary": "https://github.com/axios/axios/pull/10660",
          "url": "https://github.com/axios/axios/pull/10660"
        },
        {
          "category": "external",
          "summary": "https://github.com/axios/axios/releases/tag/v1.15.0",
          "url": "https://github.com/axios/axios/releases/tag/v1.15.0"
        },
        {
          "category": "external",
          "summary": "https://github.com/axios/axios/security/advisories/GHSA-fvcv-3m26-pcqx",
          "url": "https://github.com/axios/axios/security/advisories/GHSA-fvcv-3m26-pcqx"
        }
      ],
      "release_date": "2026-04-10T19:23:52.285000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-04-23T13:52:18+00:00",
          "details": "Red Hat Trusted Artifact Signer simplifies cryptographic signing and verifying of software artifacts such as container images, binaries and source code changes. It is a self-managed on-premise deployment of the Sigstore project available at https://sigstore.dev\n\nPlatform Engineers, Software Developers and Security Professionals may use RHTAS to ensure the integrity, transparency and assurance of their organization\u0027s software supply chain.\n\nFor details on using the operator, refer to the product documentation at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.3\n\nYou can find the release notes for this version of Red Hat Trusted Artifact Signer at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.3/html-single/release_notes/index",
          "product_ids": [
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rhtas-console-rhel9@sha256:52f189620a3aaf143b57009671b41ccd1b95700591ae863f00c50a7d54591901_amd64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:10153"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.0,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rhtas-console-rhel9@sha256:52f189620a3aaf143b57009671b41ccd1b95700591ae863f00c50a7d54591901_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rhtas-console-ui-rhel9@sha256:8bf79d15df12c6af59d76463ebbf5c4d505752dfaea8a48ea9b9aa42fc8146d4_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "axios: Axios: Remote Code Execution via Prototype Pollution escalation"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.