{"id":"CVE-2026-46556","state":"PUBLISHED","title":"FlaskBB: SSRF in get_image_info() via unrestricted avatar URL","description":"FlaskBB is a Forum Software written in Python using the micro framework Flask. Prior to version 2.2.1, a Server-Side Request Forgery (SSRF) vulnerability in get_image_info() allows any authenticated user to force the server to send HTTP requests to arbitrary internal endpoints, including cloud metadata services. This is a blind SSRF with confirmed internal port scanning and internal API triggering capabilities. Version 2.2.1 patches the issue.","publishedAt":"2026-07-21T20:34:23.536Z","updatedAt":"2026-07-22T14:50:37.123Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["flaskbb flaskbb"],"affected":[{"vendor":"flaskbb","product":"flaskbb","versions":[{"version":"< 2.2.1","status":"affected"}]}],"references":["https://github.com/flaskbb/flaskbb/security/advisories/GHSA-xq32-9g7q-7297","https://github.com/flaskbb/flaskbb/commit/e87e585f54bbe36694e91d52ee9b2d2e65dd4ab5"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/46xxx/CVE-2026-46556.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46556","state":"PUBLISHED","datePublished":"2026-07-21T20:34:23.536Z","dateUpdated":"2026-07-22T14:50:37.123Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-14T20:42:31.369Z"},"containers":{"cna":{"title":"FlaskBB: SSRF in get_image_info() via unrestricted avatar URL","descriptions":[{"lang":"en","value":"FlaskBB is a Forum Software written in Python using the micro framework Flask. Prior to version 2.2.1, a Server-Side Request Forgery (SSRF) vulnerability in get_image_info() allows any authenticated user to force the server to send HTTP requests to arbitrary internal endpoints, including cloud metadata services. This is a blind SSRF with confirmed internal port scanning and internal API triggering capabilities. Version 2.2.1 patches the issue."}],"affected":[{"vendor":"flaskbb","product":"flaskbb","versions":[{"version":"< 2.2.1","status":"affected"}]}],"references":[{"url":"https://github.com/flaskbb/flaskbb/security/advisories/GHSA-xq32-9g7q-7297","name":"https://github.com/flaskbb/flaskbb/security/advisories/GHSA-xq32-9g7q-7297","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/flaskbb/flaskbb/commit/e87e585f54bbe36694e91d52ee9b2d2e65dd4ab5","name":"https://github.com/flaskbb/flaskbb/commit/e87e585f54bbe36694e91d52ee9b2d2e65dd4ab5","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","lang":"en","description":"CWE-918: Server-Side Request Forgery (SSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-21T20:34:23.536Z"},"source":{"advisory":"GHSA-xq32-9g7q-7297","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/flaskbb/flaskbb/security/advisories/GHSA-xq32-9g7q-7297","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-22T14:50:16.602325Z","id":"CVE-2026-46556","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-22T14:50:37.123Z"}}]}}}