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CVE-2026-77775 Headroom Proxy Sends Upstream Requests to a Client-Supplied Base URL Without Address Validation

🗓️ 21 Aug 2026 11:22:51Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

SSRF in Headroom Proxy via x-headroom-base-url header allows internal service and metadata access.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-77775
21 Aug 202612:19
circl
cve
CVE
CVE-2026-77775
21 Aug 202611:22
cve
euvd
EUVD
EUVD-2026-63904
21 Aug 202611:22
euvd
nvd
NVD
CVE-2026-77775
21 Aug 202612:16
nvd
ptsecurity
Positive Technologies
PT-2026-79364
21 Aug 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-77775 Headroom Proxy Sends Upstream Requests to a Client-Supplied Base URL Without Address Validation
21 Aug 202611:22
vulnrichment
[
  {
    "vendor": "Headroom Labs",
    "product": "Headroom",
    "collectionURL": "https://pypi.org",
    "packageName": "headroom-ai",
    "packageURL": "pkg:pypi/headroom-ai",
    "repo": "https://github.com/headroomlabs-ai/headroom",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThan": "0.36.1",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0.36.1",
        "status": "unaffected",
        "versionType": "semver"
      }
    ],
    "programFiles": [
      "headroom/proxy/handlers/openai.py",
      "headroom/providers/proxy_routes.py"
    ]
  }
]

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