Vulnerability Monitor

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CVE-2025-59531

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. Versions 1.2.0 through 1.8.7, 2.0.0-rc1 through 2.14.19, 3.0.0-rc1 through 3.2.0-rc1, 3.1.7 and 3.0.18 are vulnerable to malicious API requests which can crash the API server and cause denial of service to legitimate clients. Without a configured webhook.bitbucketserver.secret, Argo CD's /api/webhook endpoint crashes when receiving a malformed Bitbucket Server payload (non-array repository.links.clone field). A single unauthenticated request triggers CrashLoopBackOff, and targeting all replicas causes complete API outage. This issue is fixed in versions 2.14.20, 3.2.0-rc2, 3.1.8 and 3.0.19.

Published

2025-10-01T21:16:43.377

Last Modified

2025-10-07T14:39:29.373

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

Weaknesses

Type: Secondary
CWE-703

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	argoproj	argo_cd	≤ 1.8.7	Yes
Application	argoproj	argo_cd	< 2.14.20	Yes
Application	argoproj	argo_cd	< 3.0.19	Yes
Application	argoproj	argo_cd	< 3.1.8	Yes
Application	argoproj	argo_cd	3.2.0	Yes

References

https://github.com/argoproj/argo-cd/commit/5c466a4e39802e059e75c0008ae7b7b8e842538f Patch ([email protected])
https://github.com/argoproj/argo-cd/security/advisories/GHSA-f9gq-prrc-hrhc Exploit, Vendor Advisory, Mitigation ([email protected])
https://github.com/argoproj/argo-cd/security/advisories/GHSA-f9gq-prrc-hrhc Exploit, Vendor Advisory, Mitigation (134c704f-9b21-4f2e-91b3-4a467353bcc0)