CVE-2026-44590
CRITICALSherlock: Command Injection via pull_request_target in validate_modified_targets.yml
Title source: cnaDescription
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.
References (1)
Core 1
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/sherlock-project/sherlock/security/advisories/GHSA-v6wr-ccr4-x8g9
Scores
CVSS v3
9.3
EPSS
0.0114
EPSS Percentile
62.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-78
Status
published
Products (1)
sherlock-project/sherlock
< 0.16.1
Published
May 27, 2026
Tracked Since
May 28, 2026