CVE-2025-13327: A flaw was found in uv
CVE-2025-13327 is a medium-severity flaw (CVSS 6.3) affecting uv. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A flaw was found in uv. This vulnerability allows an attacker to execute malicious code during package resolution or installation via specially crafted ZIP (Zipped Information Package) archives that exploit parsing differentials, requiring user interaction to install an attacker-controlled package.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.3 (Medium) |
| Attack vector | Local |
| Attack complexity | High |
| Privileges needed | High |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 93%) |
| CISA exploited list | No |
| Weakness | CWE-1286 |
| Published | 2026-02-27 |
| Last modified | 2026-10-29 |
Last updated 2026-10-29 · 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-2025-13327?
uv: upgrade to 0.9.6. Exact commands for each OS are on this page.
Is CVE-2025-13327 being exploited?
CVE-2025-13327 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-2025-13327 affect?
CVE-2025-13327 affects uv. Severity is medium (CVSS 6.3). A flaw was found in uv. This vulnerability allows an attacker to execute malicious code during package resolution or installation via specially crafted ZIP (Zipped Information Package) archives that exploit parsing differentials, requiring
How urgent is CVE-2025-13327?
Priority 24/100. No elevated risk signals yet.