CVE-2026-45796

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Versions prior tp 2.24.5, 2.29.13, 2.30.8, 2.31.12, 2.32.2, and 2.33.3 are vulnerable to unauthenticated semi-blind Server-Side Request Forgery (SSRF) via the Azure instance identity endpoint (`POST /api/v2/workspaceagents/azure-instance-identity`). An external attacker can force the Coder server to issue HTTP GET requests to arbitrary internal or external hosts by submitting a crafted PKCS#7 signature. The server does not return the target's response body, but error messages in the API response reveal whether the target is reachable and what type of failure occurred. Versions 2.24.5, 2.29.13, 2.30.8, 2.31.12, 2.32.2, and 2.33.3 patch the issue. As a workaround, if the Azure identity-auth mechanism is not being used then restrict access to the corresponding endpoint (`/api/v2/workspaceagents/azure-instance-identity`) using ingress firewall and/or proxy ACLs."}], "id": "CVE-2026-45796", "lastModified": "2026-07-08T19:47:08.010", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 2.5, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-45796", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-08T13:53:31.695518Z", "version": "2.0.3"}}]}, "published": "2026-07-07T22:16:52.317", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/coder/coder/commit/57b11d405f17492aa789d4b9ff33366f961a37f8"}, {"source": "security-advisories@github.com", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/coder/coder/pull/25274"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/coder/coder/releases/tag/v2.24.5"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/coder/coder/releases/tag/v2.29.13"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/coder/coder/releases/tag/v2.30.8"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/coder/coder/releases/tag/v2.31.12"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/coder/coder/releases/tag/v2.32.2"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/coder/coder/releases/tag/v2.33.3"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://github.com/coder/coder/security/advisories/GHSA-686c-7vgv-v3fx"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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