Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

{
  "id": "4bec7d722cdf487c86db5a8c7bf7a7356e55b524ca2903e05a0274c6d21235f8",
  "url": "https://osv.dev/vulnerability/RHSA-2026%3A74536",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update",
    "summary": "Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update",
    "evidence": "osv:RHSA-2026:74536",
    "products": [
      {
        "name": {
          "value": "oauth2-proxy",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0:7.15.5-0.1.hum1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "critical",
    "structured": {
      "id": "RHSA-2026:74536",
      "aliases": [
        "RHSA-2026:74536"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0:7.15.5-0.1.hum1"
                }
              ]
            }
          ],
          "package": {
            "name": "oauth2-proxy",
            "purl": "pkg:rpm/redhat/oauth2-proxy",
            "ecosystem": "Red Hat:hummingbird:1"
          },
          "database_specific": {
            "source": "https://security.access.redhat.com/data/osv/RHSA-2026:74536.json"
          }
        }
      ],
      "modified": "2026-10-20T10:43:37.086228660Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-56851",
        "CVE-2026-76835"
      ],
      "references": [
        "https://access.redhat.com/errata/RHSA-2026:74536",
        "https://images.redhat.com/",
        "https://access.redhat.com/security/cve/CVE-2026-76835",
        "https://access.redhat.com/security/updates/classification/",
        "https://access.redhat.com/security/cve/CVE-2026-56851",
        "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_74536.json",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2547607",
        "https://www.cve.org/CVERecord?id=CVE-2026-56851",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-56851",
        "https://go.dev/cl/793360",
        "https://go.dev/issue/80112",
        "https://pkg.go.dev/vuln/GO-2026-6629",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2522418",
        "https://www.cve.org/CVERecord?id=CVE-2026-76835",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-76835",
        "https://github.com/oauth2-proxy/oauth2-proxy",
        "https://github.com/oauth2-proxy/oauth2-proxy/blob/v7.15.4/pkg/apis/middleware/scope.go",
        "https://github.com/oauth2-proxy/oauth2-proxy/issues/3506",
        "https://github.com/oauth2-proxy/oauth2-proxy/security/advisories/GHSA-7x63-xv5r-3p2x",
        "https://www.vulncheck.com/advisories/oauth2-proxy-through-authentication-bypass-via-x-forwarded-uri-under-the-default-trusted-proxy-set"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-56851",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-76835",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 379243,
  "published_at": "2026-10-02T10:25:59+00:00"
}