{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-55160", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-16T15:13:28.165Z", "datePublished": "2026-09-28T17:52:24.490Z", "dateUpdated": "2026-09-28T18:35:30.003Z"}, "containers": {"cna": {"title": "Authenticated Server-Side Request Forgery (SSRF) via feed URL in Stringer", "problemTypes": [{"descriptions": [{"cweId": "CWE-918", "lang": "en", "description": "CWE-918: Server-Side Request Forgery (SSRF)", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/stringer-rss/stringer/security/advisories/GHSA-496x-437q-h35q", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/stringer-rss/stringer/security/advisories/GHSA-496x-437q-h35q"}, {"name": "https://github.com/stringer-rss/stringer/pull/1548", "tags": ["x_refsource_MISC"], "url": "https://github.com/stringer-rss/stringer/pull/1548"}, {"name": "https://github.com/stringer-rss/stringer/commit/75cb0955919a362ac49d23c8a14892d0f59ea1c4", "tags": ["x_refsource_MISC"], "url": "https://github.com/stringer-rss/stringer/commit/75cb0955919a362ac49d23c8a14892d0f59ea1c4"}], "affected": [{"vendor": "stringer-rss", "product": "stringer", "versions": [{"version": "< 75cb0955919a362ac49d23c8a14892d0f59ea1c4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-28T17:52:24.490Z"}, "descriptions": [{"lang": "en", "value": "Stringer is a self-hosted, anti-social RSS reader. Prior to commit 75cb095, an unrestricted Server-Side Request Forgery (SSRF) vulnerability allows any authenticated user to force the Stringer server to send arbitrary HTTP/HTTPS requests to internal networks, localhost services, and cloud metadata endpoints (e.g. AWS IMDS 169.254.169.254). When self-service signup is enabled (Setting::UserSignup), even a low-privileged registered user can exploit this to scan internal services or steal cloud IAM credentials. This issue has been patched via commit 75cb095."}], "source": {"advisory": "GHSA-496x-437q-h35q", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/stringer-rss/stringer/security/advisories/GHSA-496x-437q-h35q", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-28T18:33:57.068972Z", "id": "CVE-2026-55160", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-28T18:35:30.003Z"}}]}}

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{"affected": [{"affectedData": [{"product": "stringer", "vendor": "stringer-rss", "versions": [{"status": "affected", "version": "< 75cb0955919a362ac49d23c8a14892d0f59ea1c4"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Stringer is a self-hosted, anti-social RSS reader. Prior to commit 75cb095, an unrestricted Server-Side Request Forgery (SSRF) vulnerability allows any authenticated user to force the Stringer server to send arbitrary HTTP/HTTPS requests to internal networks, localhost services, and cloud metadata endpoints (e.g. AWS IMDS 169.254.169.254). When self-service signup is enabled (Setting::UserSignup), even a low-privileged registered user can exploit this to scan internal services or steal cloud IAM credentials. This issue has been patched via commit 75cb095."}], "id": "CVE-2026-55160", "lastModified": "2026-09-28T18:17:23.540", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.7, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-09-28T18:17:23.540", "references": [{"source": "[email protected]", "url": "https://github.com/stringer-rss/stringer/commit/75cb0955919a362ac49d23c8a14892d0f59ea1c4"}, {"source": "[email protected]", "url": "https://github.com/stringer-rss/stringer/pull/1548"}, {"source": "[email protected]", "url": "https://github.com/stringer-rss/stringer/security/advisories/GHSA-496x-437q-h35q"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "[email protected]", "type": "Primary"}]}

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