CVE-2026-45738 — Security Box Score

CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-45738HIGH

argoproj argo-cd — Argo CD: Stored XSS in application link annotations enables developer-to-admin privilege escalation

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   L   R  C  H  H  N    8.7   .0039   32.5     —

AFFECTED
  Product  Versions    Fixed
  argo-cd  < 3.2.12 –  —

TIMELINE
  May 13  Reserved by GitHub_M
  Jul 15  EXPLOIT PUBLISHED — CVE-2026-45738 (argoproj argo-cd). Public exploit reference added.
  Jul 15  Published (CNA: GitHub_M)

CWE-79 · CNA: GitHub_M · CVSS v3.1 · 7 references · NVD status: Analyzed

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
May 13, 2026	Reserved	Reserved by GitHub_M
July 15, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-45738 (argoproj argo-cd). Public exploit reference added.
July 15, 2026	Published	Published (CNA: GitHub_M)

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
argoproj	argo-cd	—	< 3.2.12	—

Weaknesses

CWE-79

References (7)

https://github.com/argoproj/argo-cd/commit/00f83c41dcfd879f34f8e0248c860d704b41cf0f [Patch]
https://github.com/argoproj/argo-cd/commit/35ea43c537d6e8948e67f347317fc4f88b325122 [Patch]
https://github.com/argoproj/argo-cd/commit/c8df5ff7acc403adcee1256da5d87081cd52f0a6 [Patch]
https://github.com/argoproj/argo-cd/releases/tag/v3.2.12 [Release Notes]
https://github.com/argoproj/argo-cd/releases/tag/v3.3.10 [Release Notes]
https://github.com/argoproj/argo-cd/releases/tag/v3.4.2 [Release Notes]
https://github.com/argoproj/argo-cd/security/advisories/GHSA-h98r-wv3h-fr38 [Exploit, Vendor Advisory]

Authoritative record: CVE-2026-45738 at cve.org

Vendors: argoproj

Weaknesses: CWE-79

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-45738 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.