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EUVD-2026-63905

🗓️ 21 Aug 2026 11:22:51Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 6 Views

Headroom LLM proxy x-headroom-user-id header allows impersonating other users' LLM memory.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-77776
21 Aug 202612:00
circl
cve
CVE
CVE-2026-77776
21 Aug 202611:22
cve
cvelist
Cvelist
CVE-2026-77776 Headroom Proxy Treats the Client-Supplied x-headroom-user-id Header as an Authenticated Identity
21 Aug 202611:22
cvelist
nvd
NVD
CVE-2026-77776
21 Aug 202612:16
nvd
ptsecurity
Positive Technologies
PT-2026-79365
21 Aug 202600:00
ptsecurity
[
  {
    "enisaIdVendor": [
      {
        "id": "792f7ece-7db2-354d-b5c5-3c9e1dc43ba3",
        "vendor": {
          "name": "Headroom Labs"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "c1e10833-ac71-325f-9052-1de62c82b996",
        "product": {
          "name": "Headroom",
          "vendor": {
            "name": "Headroom Labs"
          }
        },
        "product_version": "0 <0.36.1"
      }
    ]
  }
]

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21 Aug 2026 11:22Current
5.5Medium risk
Vulners AI Score5.5
CVSS 49.3
CVSS 3.19.1
6