CVE-2026-56236

Capgo CLI - Arbitrary File Overwrite via Symlink-Following in Local Credential Operations

CVSS 6.8 MEDIUMEPSS 0.1%CWE-59

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.8EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

21 Jun 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Capgo CLI before 12.128.2 contains arbitrary file overwrite vulnerabilities in login and build credentials operations that follow symlinks without validation. Attackers can create malicious symlinks in repositories to overwrite arbitrary files or expose credentials with world-readable permissions when developers run the CLI.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N

Affected products

capgo · cli

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References

https://github.com/Cap-go/capgo/security/advisories/GHSA-8mpm-q7mh-8fvh https://www.vulncheck.com/advisories/capgo-cli-arbitrary-file-overwrite-via-symlink-following-in-local-credential-operations