{"id":"CVE-2026-45738","state":"PUBLISHED","title":"Argo CD: Stored XSS in application link annotations enables developer-to-admin privilege escalation","description":"Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. Prior to 3.2.12, 3.3.10, and 3.4.2, Argo CD users with application write access can set link.argocd.argoproj.io/* annotations whose pipe-separated values are rendered by ui/src/app/applications/components/application-summary/application-summary.tsx in the Summary tab URLs section as anchor href values without URL validation, allowing javascript: execution in a higher-privileged user's authenticated Argo CD origin session. This issue is fixed in versions 3.2.12, 3.3.10, and 3.4.2.","publishedAt":"2026-07-15T19:54:51.634Z","updatedAt":"2026-07-16T15:12:45.158Z","severity":{"score":7.3,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["argoproj argo-cd"],"affected":[{"vendor":"argoproj","product":"argo-cd","versions":[{"version":"< 3.2.12","status":"affected"},{"version":">= 3.3.0, < 3.3.10","status":"affected"},{"version":">= 3.4.0-rc1, < 3.4.2","status":"affected"}]}],"references":["https://github.com/argoproj/argo-cd/security/advisories/GHSA-h98r-wv3h-fr38","https://github.com/argoproj/argo-cd/commit/00f83c41dcfd879f34f8e0248c860d704b41cf0f","https://github.com/argoproj/argo-cd/commit/35ea43c537d6e8948e67f347317fc4f88b325122","https://github.com/argoproj/argo-cd/commit/c8df5ff7acc403adcee1256da5d87081cd52f0a6","https://github.com/argoproj/argo-cd/releases/tag/v3.2.12","https://github.com/argoproj/argo-cd/releases/tag/v3.3.10","https://github.com/argoproj/argo-cd/releases/tag/v3.4.2"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/45xxx/CVE-2026-45738.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-45738","state":"PUBLISHED","datePublished":"2026-07-15T19:54:51.634Z","dateUpdated":"2026-07-16T15:12:45.158Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-13T06:54:34.219Z"},"containers":{"cna":{"title":"Argo CD: Stored XSS in application link annotations enables developer-to-admin privilege escalation","descriptions":[{"lang":"en","value":"Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. Prior to 3.2.12, 3.3.10, and 3.4.2, Argo CD users with application write access can set link.argocd.argoproj.io/* annotations whose pipe-separated values are rendered by ui/src/app/applications/components/application-summary/application-summary.tsx in the Summary tab URLs section as anchor href values without URL validation, allowing javascript: execution in a higher-privileged user's authenticated Argo CD origin session. This issue is fixed in versions 3.2.12, 3.3.10, and 3.4.2."}],"affected":[{"vendor":"argoproj","product":"argo-cd","versions":[{"version":"< 3.2.12","status":"affected"},{"version":">= 3.3.0, < 3.3.10","status":"affected"},{"version":">= 3.4.0-rc1, < 3.4.2","status":"affected"}]}],"references":[{"url":"https://github.com/argoproj/argo-cd/security/advisories/GHSA-h98r-wv3h-fr38","name":"https://github.com/argoproj/argo-cd/security/advisories/GHSA-h98r-wv3h-fr38","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/argoproj/argo-cd/commit/00f83c41dcfd879f34f8e0248c860d704b41cf0f","name":"https://github.com/argoproj/argo-cd/commit/00f83c41dcfd879f34f8e0248c860d704b41cf0f","tags":["x_refsource_MISC"]},{"url":"https://github.com/argoproj/argo-cd/commit/35ea43c537d6e8948e67f347317fc4f88b325122","name":"https://github.com/argoproj/argo-cd/commit/35ea43c537d6e8948e67f347317fc4f88b325122","tags":["x_refsource_MISC"]},{"url":"https://github.com/argoproj/argo-cd/commit/c8df5ff7acc403adcee1256da5d87081cd52f0a6","name":"https://github.com/argoproj/argo-cd/commit/c8df5ff7acc403adcee1256da5d87081cd52f0a6","tags":["x_refsource_MISC"]},{"url":"https://github.com/argoproj/argo-cd/releases/tag/v3.2.12","name":"https://github.com/argoproj/argo-cd/releases/tag/v3.2.12","tags":["x_refsource_MISC"]},{"url":"https://github.com/argoproj/argo-cd/releases/tag/v3.3.10","name":"https://github.com/argoproj/argo-cd/releases/tag/v3.3.10","tags":["x_refsource_MISC"]},{"url":"https://github.com/argoproj/argo-cd/releases/tag/v3.4.2","name":"https://github.com/argoproj/argo-cd/releases/tag/v3.4.2","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.3,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-15T19:54:51.634Z"},"source":{"advisory":"GHSA-h98r-wv3h-fr38","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/argoproj/argo-cd/security/advisories/GHSA-h98r-wv3h-fr38","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-16T14:51:03.406825Z","id":"CVE-2026-45738","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-16T15:12:45.158Z"}}]}}}