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Δ / VULNERABILITY RECORD

CVE-2026-55797.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSHIGH / 8.8CVSS 3.1 · security-advisories@github.com
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSAwaiting AnalysisModified Oct 09, 2026

Disclosure summary

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. From 2.11.0 until 3.3.15, 3.4.10, 3.5.4, and 3.6.0-rc2, the Argo CD repo-server is vulnerable to command injection when it clones, tests, or fetches an SSH Git repository configured with a proxy URL. The proxy host and port are embedded in an SSH ProxyCommand that is executed through a shell without neutralizing shell metacharacters. A user who can create or update a repository or repository credential template can supply a crafted proxy host to execute commands in the repo-server and access its Git, Helm, and OCI credentials. This issue is fixed in versions 3.3.15, 3.4.10, 3.5.4, and 3.6.0-rc2.

Source-reported weakness categories

CWE-78

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

NIST National Vulnerability Database · NVD-CVE-2026-55797

Open original source · Updated Oct 09, 2026

Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.

GitHub Reviewed Security Advisories · GHSA-j6cw-g6p4-7hch

Open original source · Updated Oct 09, 2026

Argo CD repo-server command injection via crafted SSH repository SOCKS5 proxy URL

Source severity: HIGH / 0

EcosystemPackageAffected rangeFirst patched
gogithub.com/argoproj/argo-cd/v2>= 2.11.0,Not supplied
gogithub.com/argoproj/argo-cd/v3>= 3.0.0, < 3.3.153.3.15
gogithub.com/argoproj/argo-cd/v3>= 3.4.0, < 3.4.103.4.10
gogithub.com/argoproj/argo-cd/v3>= 3.5.0, < 3.5.43.5.4
gogithub.com/argoproj/argo-cd/v3= 3.6.0-rc13.6.0-rc2

Original records & references

PUBLISHED 2026-10-09T13:16:47-04:00
MODIFIED 2026-10-09T14:17:08-04:00
INGESTED 2026-10-10T20:55:12-04:00