CVE-2026-56236

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.

Score

CVSS 4.0 6.8 Medium

Status

Deferred - disclosure@vulncheck.com

Published

2026-06-21

Last modified

2026-10-25

Weaknesses

CWE-59

Affected products

• Cli (Capgo)

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-opera…