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.
CVE-2025-59531
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 53% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EG Risk
- —
- EPSS
- 42.6%
- KEV
- Not listed
Published
October 1, 2025
Last Modified
October 7, 2025
References (3)
- security-advisories@githubhttps://github.com/argoproj/argo-cd/commit/5c466a4e39802e059e75c0008ae7b7b8e842538f
- security-advisories@githubhttps://github.com/argoproj/argo-cd/security/advisories/GHSA-f9gq-prrc-hrhc
- 134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/argoproj/argo-cd/security/advisories/GHSA-f9gq-prrc-hrhc
Vendor Advisories for CVE-2025-59531(3)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2025:18093Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat OpenShift GitOps v1.18.1 security update
- RHSA-2025:17731Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat OpenShift GitOps v1.17.2 security update
- RHSA-2025:17730Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat OpenShift GitOps v1.16.4 security update
Patch Availability(3)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | openshift-gitops-1/gitops-operator-bundle:sha256:a27b8dd047e10fbbd6fc49176036c9b5178a1d2841e26719bfde23239ede157d | 2025-10-15 | redhat |
| redhat | openshift-gitops-1/gitops-operator-bundle:sha256:78dc89a4a9dfb8dcf93224fd9a3caa63ea1551f8da73a88aebb284123d4a2962 | 2025-10-09 | redhat |
| redhat | openshift-gitops-1/gitops-operator-bundle:sha256:4fc82c51692138acd9a7232fc4b3451cbca9f7be763452c811bea7a68867cb93 | 2025-10-09 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(3 across 1 ecosystem)
Go(3)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| github.com/argoproj/argo-cd | — | — | — |
| github.com/argoproj/argo-cd/v2 | — | 2.14.20 | — |
| github.com/argoproj/argo-cd/v3 | — | 3.2.0-rc2 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 9× in last 7d / 41× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-22 14:08 UTCEPSS rescore
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- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 13:11 UTCOSV refresh
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- 2026-07-06 02:23 UTCEPSS rescore
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- 2026-06-18 17:52 UTCEPSS rescore
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- 2026-06-18 01:13 UTCOSV refresh
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- 2026-05-31 00:16 UTCEPSS rescore
- 2026-05-31 00:16 UTCEPSS rescore
- 2026-05-29 21:42 UTCEG score recompute
- 2026-05-29 21:42 UTCVendor advisory
- 2026-05-29 15:27 UTCOSV refresh
- 2026-05-29 13:44 UTCEPSS rescore
Frequently asked(5)
What is CVE-2025-59531?
When was CVE-2025-59531 disclosed?
Is CVE-2025-59531 actively exploited?
What is the CVSS score of CVE-2025-59531?
How do I remediate CVE-2025-59531?
Dependency Blast Radius
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