How severe is CVE-2025-13327?

CVE-2025-13327 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-13327 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-13327?

CVE-2025-13327 affects Astral Uv. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-13327?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-13327 have an EU (EUVD) identifier?

Yes. CVE-2025-13327 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208130.

When was CVE-2025-13327 published?

CVE-2025-13327 was published on 2026-02-27 and last updated on 2026-06-17.

CVE-2025-13327

CVE-2025-13327 is a medium-severity vulnerability in Astral Uv with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1286.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-208130
Weakness: CWE-1286
Affected product: Astral Uv
Published: 2026-02-27
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-13327?: 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.
How severe is CVE-2025-13327?: CVE-2025-13327 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-13327 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-13327?: CVE-2025-13327 affects Astral Uv. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-13327?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-13327 have an EU (EUVD) identifier?: Yes. CVE-2025-13327 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208130.
When was CVE-2025-13327 published?: CVE-2025-13327 was published on 2026-02-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:astral:uv:*:*:*:*:*:python:*:*

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