Vulnerability-Lookup

RHSA-2026:84431

Vulnerability from csaf_redhat - Published: 2026-10-17 19:35 - Updated: 2026-10-17 20:48

Summary

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Severity

Moderate

Notes

Topic: An update for Red Hat Hardened Images RPMs is now available.

Details: This update includes the following RPMs: grafana13.2: * grafana13.2-13.2.3-0.2.hum1 (aarch64, s390x, x86_64) * grafana13.2-13.2.3-0.2.hum1.src (src) Security Fix(es): grafana13.2: * CVE-2026-109955

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-2026-109955

A flaw was found in Hono. A remote, unauthenticated attacker can exploit a double path decoding issue in the serveStatic component by submitting requests with specially crafted, encoded URL paths. This flaw allows attackers to bypass security middleware, granting unauthorized access to protected static files without undergoing authentication checks.

5.3 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CWE-551 - Incorrect Behavior Order: Authorization Before Parsing and Canonicalization

Affected products

Fixed 4 products

Product	Version	Remediation
Unresolved product id: Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@aarch64	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@s390x	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@src	—	Vendor Fix fix Workaround
Unresolved product id: Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@x86_64	—	Vendor Fix fix Workaround

Threats

Impact Moderate

References

11 references

URL	Category
https://access.redhat.com/errata/RHSA-2026:84431	self
https://access.redhat.com/security/cve/CVE-2026-109955	external
https://access.redhat.com/security/updates/classi…	external
https://images.redhat.com/	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2026-109955	self
https://bugzilla.redhat.com/show_bug.cgi?id=2550544	external
https://www.cve.org/CVERecord?id=CVE-2026-109955	external
https://nvd.nist.gov/vuln/detail/CVE-2026-109955	external
https://github.com/honojs/hono/security/advisorie…	external
https://www.vulncheck.com/advisories/hono-4.12.4-…	external

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Moderate"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "An update for Red Hat Hardened Images RPMs is now available.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "This update includes the following RPMs:\n\ngrafana13.2:\n  * grafana13.2-13.2.3-0.2.hum1 (aarch64, s390x, x86_64)\n  * grafana13.2-13.2.3-0.2.hum1.src (src)\n\nSecurity Fix(es):\n\ngrafana13.2:\n  * CVE-2026-109955",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "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.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
      "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2026:84431",
        "url": "https://access.redhat.com/errata/RHSA-2026:84431"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/security/cve/CVE-2026-109955",
        "url": "https://access.redhat.com/security/cve/CVE-2026-109955"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/security/updates/classification/",
        "url": "https://access.redhat.com/security/updates/classification/"
      },
      {
        "category": "external",
        "summary": "https://images.redhat.com/",
        "url": "https://images.redhat.com/"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_84431.json"
      }
    ],
    "title": "Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update",
    "tracking": {
      "current_release_date": "2026-10-17T20:48:16+00:00",
      "generator": {
        "date": "2026-10-17T20:48:16+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "5.4.2"
        }
      },
      "id": "RHSA-2026:84431",
      "initial_release_date": "2026-10-17T19:35:07+00:00",
      "revision_history": [
        {
          "date": "2026-10-17T19:35:07+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-10-17T19:37:37+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2026-10-17T20:48:16+00:00",
          "number": "3",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Red Hat Hardened Images",
                "product": {
                  "name": "Red Hat Hardened Images",
                  "product_id": "Red Hat Hardened Images",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:redhat:hummingbird:1"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat Hardened Images"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "grafana13.2-0:13.2.3-0.2.hum1@aarch64",
                "product": {
                  "name": "grafana13.2-0:13.2.3-0.2.hum1@aarch64",
                  "product_id": "grafana13.2-0:13.2.3-0.2.hum1@aarch64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/grafana13.2@13.2.3-0.2.hum1?arch=aarch64\u0026distro=hummingbird-20251124\u0026repository_id=public-hummingbird-aarch64-rpms"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "aarch64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "grafana13.2-0:13.2.3-0.2.hum1@s390x",
                "product": {
                  "name": "grafana13.2-0:13.2.3-0.2.hum1@s390x",
                  "product_id": "grafana13.2-0:13.2.3-0.2.hum1@s390x",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/grafana13.2@13.2.3-0.2.hum1?arch=s390x\u0026distro=hummingbird-20251124\u0026repository_id=public-hummingbird-s390x-rpms"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "s390x"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "grafana13.2-0:13.2.3-0.2.hum1@src",
                "product": {
                  "name": "grafana13.2-0:13.2.3-0.2.hum1@src",
                  "product_id": "grafana13.2-0:13.2.3-0.2.hum1@src",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/grafana13.2@13.2.3-0.2.hum1?arch=src\u0026distro=hummingbird-20251124\u0026repository_id=public-hummingbird-source-rpms"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "src"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "grafana13.2-0:13.2.3-0.2.hum1@x86_64",
                "product": {
                  "name": "grafana13.2-0:13.2.3-0.2.hum1@x86_64",
                  "product_id": "grafana13.2-0:13.2.3-0.2.hum1@x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/grafana13.2@13.2.3-0.2.hum1?arch=x86_64\u0026distro=hummingbird-20251124\u0026repository_id=public-hummingbird-x86_64-rpms"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "grafana13.2-0:13.2.3-0.2.hum1@aarch64 as a component of Red Hat Hardened Images",
          "product_id": "Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@aarch64"
        },
        "product_reference": "grafana13.2-0:13.2.3-0.2.hum1@aarch64",
        "relates_to_product_reference": "Red Hat Hardened Images"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "grafana13.2-0:13.2.3-0.2.hum1@s390x as a component of Red Hat Hardened Images",
          "product_id": "Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@s390x"
        },
        "product_reference": "grafana13.2-0:13.2.3-0.2.hum1@s390x",
        "relates_to_product_reference": "Red Hat Hardened Images"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "grafana13.2-0:13.2.3-0.2.hum1@src as a component of Red Hat Hardened Images",
          "product_id": "Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@src"
        },
        "product_reference": "grafana13.2-0:13.2.3-0.2.hum1@src",
        "relates_to_product_reference": "Red Hat Hardened Images"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "grafana13.2-0:13.2.3-0.2.hum1@x86_64 as a component of Red Hat Hardened Images",
          "product_id": "Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@x86_64"
        },
        "product_reference": "grafana13.2-0:13.2.3-0.2.hum1@x86_64",
        "relates_to_product_reference": "Red Hat Hardened Images"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-109955",
      "cwe": {
        "id": "CWE-551",
        "name": "Incorrect Behavior Order: Authorization Before Parsing and Canonicalization"
      },
      "discovery_date": "2026-10-13T14:00:19.195873+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2550544"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Hono. A remote, unauthenticated attacker can exploit a double path decoding issue in the serveStatic component by submitting requests with specially crafted, encoded URL paths. This flaw allows attackers to bypass security middleware, granting unauthorized access to protected static files without undergoing authentication checks.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "hono: hono: Security bypass via double path decoding",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "A MODERATE severity flaw was found in the Hono web framework, an npm dependency shipped in several Red Hat products, including Red Hat Enterprise Linux and Red Hat In-Vehicle OS (grafana), Red Hat OpenShift Dev Spaces, Red Hat OpenShift AI, Migration Toolkit for Applications, Ansible Automation Platform and Ansible Services (MCP server images), and Red Hat Hardened Images (Hummingbird grafana images). The serveStatic middleware decodes the request path a second time after Hono has already decoded it once for routing. By sending a request with a crafted, malformed percent-encoded path, a remote, unauthenticated attacker can cause the router to match the encoded form of the path while the second decode resolves the real directory, so middleware mounted on a static prefix, such as an authentication check, is skipped and protected static files can be read without authentication. The requested file is still resolved within the configured root, so this is not a path traversal outside it, and applications that serve only public files without prefix middleware are not affected. Red Hat rates this flaw MODERATE with a CVSS 3.1 score of 5.3, consistent with the upstream severity. For most affected Red Hat products, the fix is deferred because no trackers are filed for moderate-impact flaws with a CVSS score below 7.0; the residual risk is unauthenticated disclosure of protected static files. For the Red Hat Hardened Images (Hummingbird) grafana components, the impact is the same and a fix is being pursued by the delegated image maintainers.",
          "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 Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@aarch64",
          "Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@s390x",
          "Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@src",
          "Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-109955"
        },
        {
          "category": "external",
          "summary": "RHBZ#2550544",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2550544"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-109955",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-109955"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-109955",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-109955"
        },
        {
          "category": "external",
          "summary": "https://github.com/honojs/hono/security/advisories/GHSA-5r4p-p66f-jhc7",
          "url": "https://github.com/honojs/hono/security/advisories/GHSA-5r4p-p66f-jhc7"
        },
        {
          "category": "external",
          "summary": "https://www.vulncheck.com/advisories/hono-4.12.4-before-4.13.11-middleware-bypass-via-servestatic-double-decoding",
          "url": "https://www.vulncheck.com/advisories/hono-4.12.4-before-4.13.11-middleware-bypass-via-servestatic-double-decoding"
        }
      ],
      "release_date": "2026-10-13T13:27:19.610000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-10-17T19:35:07+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
          "product_ids": [
            "Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@aarch64",
            "Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@s390x",
            "Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@src",
            "Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:84431"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
          "product_ids": [
            "Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@aarch64",
            "Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@s390x",
            "Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@src",
            "Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@aarch64",
            "Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@s390x",
            "Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@src",
            "Red Hat Hardened Images:grafana13.2-0:13.2.3-0.2.hum1@x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "hono: hono: Security bypass via double path decoding"
    }
  ]
}

CVE-2026-109955 (GCVE-0-2026-109955)

Vulnerability from cvelistv5 – Published: 2026-10-13 13:27 – Updated: 2026-10-13 13:51

Title

Hono 4.12.4 before 4.13.11 Middleware Bypass via serveStatic Double Decoding

Summary

Hono from 4.12.4 before 4.13.11 contains a middleware bypass vulnerability in serveStatic that allows unauthenticated attackers to skip prefix middleware by exploiting double path decoding. Attackers can send malformed percent-encoded paths that the router matches in encoded form, reaching static files without authentication checks running.

Severity

6.9 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-13 13:51 UTC

CWE

CWE-174 - Double Decoding of the Same Data

Assigner

VulnCheck CNA under the mitre root

CNA scorecard B 84/100 over 6432 records in the last 180 days details

References

2 references

URL	Tags
https://github.com/honojs/hono/security/advisorie…	vendor-advisory
https://www.vulncheck.com/advisories/hono-4.12.4-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version
honojs	hono	Affected: 4.12.4 , < 4.13.11 (semver) Unaffected: 4.13.11 (semver) cpe:2.3:a:hono:hono::::::::

Date Public

2026-09-29 00:00

Credits

manop55555

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-109955",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-13T13:51:31.306804Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-13T13:51:43.403Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:npm/hono",
          "product": "hono",
          "vendor": "honojs",
          "versions": [
            {
              "lessThan": "4.13.11",
              "status": "affected",
              "version": "4.12.4",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "4.13.11",
              "versionType": "semver"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:hono:hono:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.13.11",
                  "versionStartIncluding": "4.12.4",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "manop55555"
        }
      ],
      "datePublic": "2026-09-29T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Hono from 4.12.4 before 4.13.11 contains a middleware bypass vulnerability in serveStatic that allows unauthenticated attackers to skip prefix middleware by exploiting double path decoding. Attackers can send malformed percent-encoded paths that the router matches in encoded form, reaching static files without authentication checks running."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-174",
              "description": "Double Decoding of the Same Data",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-13T13:27:19.610Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Security Advisory (GHSA-5r4p-p66f-jhc7)",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://github.com/honojs/hono/security/advisories/GHSA-5r4p-p66f-jhc7"
        },
        {
          "name": "VulnCheck Advisory: Hono 4.12.4 before 4.13.11 Middleware Bypass via serveStatic Double Decoding",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/hono-4.12.4-before-4.13.11-middleware-bypass-via-servestatic-double-decoding"
        }
      ],
      "title": "Hono 4.12.4 before 4.13.11 Middleware Bypass via serveStatic Double Decoding",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-109955",
    "datePublished": "2026-10-13T13:27:19.610Z",
    "dateReserved": "2026-10-13T11:25:25.214Z",
    "dateUpdated": "2026-10-13T13:51:43.403Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

Publication & reservation Sightings KEV catalogs Other timestamps

Loading timeline…

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted