CVE-2026-44590

Publication date 27 May 2026

Last updated 9 June 2026

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
sherlock	26.04 LTS resolute	Ignored
	25.10 questing	Ignored
	24.04 LTS noble	Ignored
	22.04 LTS jammy	Not in release

Notes

shishirsub10

Command injection in the github workflow, does not affect ubuntu

Severity score breakdown

CVSS version: CVSS v3.0

Base score 9.3 · Critical

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Changed
Confidentiality impact	Low
Integrity impact	High
Availability impact	None

Scores

Parameter	Value
Base score	9.3 · Critical
Exploitability score	-
Impact score	-

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