CVE-2025-5890 actions toolkit glob internal-pattern.ts globEscape redos
Remote attackers can cause denial of service in the GitHub Actions toolkit glob library via inefficient regular expression complexity in globEscape.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-5890?
CVE-2025-5890 is a medium-severity denial of service vulnerability in actions toolkit, published on 9 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability classified as problematic has been found in actions toolkit 0.5.0. This affects the function globEscape of the file toolkit/packages/glob/src/internal-pattern.ts of the component glob. The manipulation leads to inefficient regular expression complexity. It is possible to initiate the attack remotely.
Which versions are affected by CVE-2025-5890?
How do I fix CVE-2025-5890?
No fix has been published for CVE-2025-5890 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-5890 being exploited?
There is no known exploitation of CVE-2025-5890 in the wild and no public exploit code.
Sources
Also known as GHSA-2gwh-2hvc-7qgh.