CVE-2025-4261

MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2025-05-05. NVD baseline CVSS 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity53% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
8.8%
KEV
Not listed

Published

May 5, 2025

Last Modified

April 15, 2026

References (5)

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 13× in last 7d / 45× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 127 total refreshes for this CVE.

  1. 2026-07-25 14:17 UTCEPSS rescore
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  3. 2026-07-24 14:17 UTCEPSS rescore
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  5. 2026-07-23 02:55 UTCEG score recompute
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Frequently asked(5)

What is CVE-2025-4261?
CVE-2025-4261 is a medium vulnerability published on May 5, 2025. 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…
When was CVE-2025-4261 disclosed?
CVE-2025-4261 was first published in the National Vulnerability Database on May 5, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-4261 actively exploited?
CVE-2025-4261 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 8.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-4261?
CVE-2025-4261 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2025-4261?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-4261, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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