{"id":"CVE-2026-45573","state":"PUBLISHED","title":"Decidim: Push subscriptions can be abused for server-side requests","description":"Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 before 0.32.0.rc2, when VAPID delivery is enabled, the notification subscription flow stores a client-supplied push endpoint without validating that it belongs to an approved push service, and SendPushNotification later passes that endpoint to WebPush.payload_send, allowing an authenticated user to create stored, mostly blind server-side requests to arbitrary reachable HTTPS endpoints. This issue is fixed in versions 0.30.9, 0.31.5, and 0.32.0.rc2.","publishedAt":"2026-08-06T20:14:07.078Z","updatedAt":"2026-08-08T02:34:34.588Z","severity":{"score":6.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["decidim decidim"],"affected":[{"vendor":"decidim","product":"decidim","versions":[{"version":"< 0.30.9","status":"affected"},{"version":">= 0.31.0.rc1, < 0.31.5","status":"affected"},{"version":">= 0.32.0.rc1, < 0.32.0","status":"affected"}]}],"references":["https://github.com/decidim/decidim/security/advisories/GHSA-2g9c-vf8h-prxx","https://github.com/decidim/decidim/pull/16714"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/45xxx/CVE-2026-45573.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-45573","state":"PUBLISHED","datePublished":"2026-08-06T20:14:07.078Z","dateUpdated":"2026-08-08T02:34:34.588Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-12T19:00:14.600Z"},"containers":{"cna":{"title":"Decidim: Push subscriptions can be abused for server-side requests","descriptions":[{"lang":"en","value":"Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 before 0.32.0.rc2, when VAPID delivery is enabled, the notification subscription flow stores a client-supplied push endpoint without validating that it belongs to an approved push service, and SendPushNotification later passes that endpoint to WebPush.payload_send, allowing an authenticated user to create stored, mostly blind server-side requests to arbitrary reachable HTTPS endpoints. This issue is fixed in versions 0.30.9, 0.31.5, and 0.32.0.rc2."}],"affected":[{"vendor":"decidim","product":"decidim","versions":[{"version":"< 0.30.9","status":"affected"},{"version":">= 0.31.0.rc1, < 0.31.5","status":"affected"},{"version":">= 0.32.0.rc1, < 0.32.0","status":"affected"}]}],"references":[{"url":"https://github.com/decidim/decidim/security/advisories/GHSA-2g9c-vf8h-prxx","name":"https://github.com/decidim/decidim/security/advisories/GHSA-2g9c-vf8h-prxx","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/decidim/decidim/pull/16714","name":"https://github.com/decidim/decidim/pull/16714","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/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":"2026-08-06T20:14:07.078Z"},"source":{"advisory":"GHSA-2g9c-vf8h-prxx","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-08T02:34:25.667396Z","id":"CVE-2026-45573","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-08T02:34:34.588Z"}}]}}}