Vulnerability · Published Feb 9, 2026 · Assigned by GitHub_M
CVE-2026-25761Command injection via crafted filenames in Super-linter Action
High 8.8
In plain English
A high-severity command injection in super-linter from super-linter. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities).
Official description
Super-linter is a combination of multiple linters to run as a GitHub Action or standalone. From 6.0.0 to 8.3.0, the Super-linter GitHub Action is vulnerable to command injection via crafted filenames. When this action is used in downstream GitHub Actions workflows, an attacker can submit a pull request that introduces a file whose name contains shell command substitution syntax, such as $(...). In affected Super-linter versions, runtime scripts may execute the embedded command during file discovery processing, enabling arbitrary command execution in the workflow runner context. This can be used to disclose the job’s GITHUB_TOKEN depending on how the workflow configures permissions. This vulnerability is fixed in 8.3.1.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| super-linter | super-linter | >= 6.0.0, < 8.3.1 |
Weakness: CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- https://github.com/super-linter/super-linter/security/advisories/GHSA-r79c-pqj3-577x x_refsource_CONFIRM
- https://github.com/super-linter/super-linter/releases/tag/v8.3.1 x_refsource_MISC