How severe is CVE-2025-4261?

CVE-2025-4261 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-4261 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-4261?

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

Does CVE-2025-4261 have an EU (EUVD) identifier?

Yes. CVE-2025-4261 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13322.

When was CVE-2025-4261 published?

CVE-2025-4261 was published on 2025-05-05 and last updated on 2026-06-17.

CVE-2025-4261

CVE-2025-4261 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. 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-74.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 4.3
CVSS v4: 4.8
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-13322
Weakness: CWE-74
Published: 2025-05-05
Last modified: 2026-06-17

Description

A vulnerability was found in GAIR-NLP factool up to 3f3914bc090b644be044b7e0005113c135d8b20f. It has been classified as critical. This affects the function run_single of the file factool/factool/math/tool.py. The manipulation leads to code injection. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available.

Frequently asked questions

What is CVE-2025-4261?: A vulnerability was found in GAIR-NLP factool up to 3f3914bc090b644be044b7e0005113c135d8b20f. It has been classified as critical. This affects the function run_single of the file factool/factool/math/tool.py. The manipulation leads to code injection. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available.
How severe is CVE-2025-4261?: CVE-2025-4261 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-4261 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-4261?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-4261 have an EU (EUVD) identifier?: Yes. CVE-2025-4261 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13322.
When was CVE-2025-4261 published?: CVE-2025-4261 was published on 2025-05-05 and last updated on 2026-06-17.

References

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