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CVE-2026-45738
7.3 HIGH
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): Low (L)
- User Interaction (UI): Required (R)
- Scope (S): Unchanged (U)
- Confidentiality (C): High (H)
- Integrity (I): High (H)
- Availability (A): None (N)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): Low (L)
- Modified User Interaction (MUI): Required (R)
- Modified Confidentiality (MC): High (H)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): High (H)
- Modified Availability (MA): None (N)
Activity log
- Created & dismissed (no matching packages found) suggestion
Argo CD: Stored XSS in application link annotations enables developer-to-admin privilege escalation
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.
References
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https://github.com/argoproj/argo-cd/security/advisories/GHSA-h98r-wv3h-fr38 x_refsource_CONFIRM
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https://github.com/argoproj/argo-cd/releases/tag/v3.2.12 x_refsource_MISC
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https://github.com/argoproj/argo-cd/releases/tag/v3.3.10 x_refsource_MISC
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https://github.com/argoproj/argo-cd/releases/tag/v3.4.2 x_refsource_MISC
Affected products
argo-cd
- ==< 3.2.12
- ==>= 3.4.0-rc1, < 3.4.2
- ==>= 3.3.0, < 3.3.10