CVE-2020-15272: In the git-tag-annotation-action (open source GitHub Action) before version 1.0.1, an attacker can execute arb
CVE-2020-15272 is a high-severity flaw (CVSS 8.7) affecting git-tag-annotation-action. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
In the git-tag-annotation-action (open source GitHub Action) before version 1.0.1, an attacker can execute arbitrary (*) shell commands if they can control the value of [the `tag` input] or manage to alter the value of [the `GITHUB_REF` environment variable]. The problem has been patched in version 1.0.1. If you don't use the `tag` input you are most likely safe. The `GITHUB_REF` environment variable is protected by the GitHub Actions environment
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.7 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | Required |
| EPSS exploit chance | 1.2% (top 32%) |
| CISA exploited list | No |
| Weakness | CWE-78 |
| Published | 2020-10-26 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2020-15272?
git-tag-annotation-action: upgrade to 1.0.1. Exact commands for each OS are on this page.
Is CVE-2020-15272 being exploited?
CVE-2020-15272 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2020-15272 affect?
CVE-2020-15272 affects git-tag-annotation-action. Severity is high (CVSS 8.7). In the git-tag-annotation-action (open source GitHub Action) before version 1.0.1, an attacker can execute arbitrary (*) shell commands if they can control the value of [the `tag` input] or manage to alter the value of [the `GITHUB_REF` env
How urgent is CVE-2020-15272?
Priority 47/100. High severity
Software pages
GitHub vulnerabilities · Git vulnerabilities