CVE-2026-44590 | THREATINT

Description

Sherlock hunts down social media accounts by username across social networks. Prior to 0.16.1, the GitHub Actions workflow validate_modified_targets.yml is vulnerable to command injection via the pull_request_target trigger. Any GitHub user can execute arbitrary commands on the CI runner and exfiltrate the GITHUB_TOKEN by opening a pull request. No approval, review, or merge is required. This vulnerability is fixed in 0.16.1.

PUBLISHED Reserved 2026-05-06 | Published 2026-05-27 | Updated 2026-05-28 | Assigner GitHub_M

CRITICAL: 9.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N

Problem types

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Product status

< 0.16.1

affected

References

github.com/...erlock/security/advisories/GHSA-v6wr-ccr4-x8g9 exploit

github.com/...erlock/security/advisories/GHSA-v6wr-ccr4-x8g9

cve.org (CVE-2026-44590)

nvd.nist.gov (CVE-2026-44590)

Download JSON