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CVE-2026-40886 Argo Workflows: Unchecked annotation parsing in pod informer crashes Argo Workflows controller

🗓️ 23 Apr 2026 18:12:05Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 35 Views

Unchecked array index in podGCFromPod causes controller panic in Argo Workflows when a pod annotation is malformed; fixed in versions 4.0.5 and 3.7.14.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-40886
23 Apr 202618:12
attackerkb
Chainguard
CVE-2026-40886 vulnerabilities
25 Apr 202601:17
cgr
Circl
CVE-2026-40886
23 Apr 202619:33
circl
CNNVD
Argo Workflows 输入验证错误漏洞
23 Apr 202600:00
cnnvd
CVE
CVE-2026-40886
23 Apr 202618:12
cve
EUVD
EUVD-2026-25267
23 Apr 202621:39
euvd
Github Security Blog
Argo Workflows: Unchecked annotation parsing in pod informer crashes Argo Workflows Controller
23 Apr 202621:39
github
NVD
CVE-2026-40886
23 Apr 202619:17
nvd
OSV
BIT-ARGO-WORKFLOWS-2026-40886 Argo Workflows: Unchecked annotation parsing in pod informer crashes Argo Workflows controller
25 Apr 202608:35
osv
OSV
CGA-M56J-H8GV-CGW8
24 Apr 202617:15
osv
Rows per page
[
  {
    "vendor": "argoproj",
    "product": "argo-workflows",
    "versions": [
      {
        "version": ">= 4.0.0, < 4.0.5",
        "status": "affected"
      },
      {
        "version": ">= 3.7.0, < 3.7.14",
        "status": "affected"
      },
      {
        "version": ">= 3.6.5, <= 3.6.19",
        "status": "affected"
      }
    ]
  }
]

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