In the latest version of mlflow/mlflow, when the basic-auth app is enabled, tracing and assessment endpoints are not protected by permission validators. This allows any authenticated user, including those with NO_PERMISSIONS on the experiment, to read trace information and create assessments for traces they should not have access to. This vulnerability impacts confidentiality by exposing trace metadata and integrity by allowing unauthorized creation of assessments. Deployments using mlflow server --app-name=basic-auth are affected.
CVE-2025-15381
Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-03-27. NVD baseline CVSS 7.1; sources differ by 1.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.1
- EG Score
- 8.1(medium)
- EG Risk
- 37(Track)EG Risk 37/100SSVC: 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 computedSeverity81% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 25.5%
- KEV
- Not listed
Published
March 27, 2026
Last Modified
July 15, 2026
Advisory Details (4)
Auto-updated Jul 15, 20262452341 – (CVE-2025-15381) CVE-2025-15381 mlflow/mlflow: mlflow/mlflow: Information disclosure and unauthorized data modification via unprotected tracing and assessment endpoints
https://bugzilla.redhat.com/show_bug.cgi?id=2452341huntr - The world's first bug bounty platform for AI/ML
https://huntr.com/bounties/149fb2f9-ef4b-4136-a25c-20563451904cPatch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| pip | mlflow | — | ghsa |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| mlflow | 0.0.1 ... 3.8.1 (167 versions) | — | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 44× 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 122 total refreshes for this CVE.
- 2026-07-23 02:49 UTCEG score recompute
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- 2026-07-15 02:22 UTCNVD updateCVSS v3 → 7.1
- 2026-07-15 02:06 UTCMITRE cvelistV5CVSS v3 → 8.1
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- 2026-06-11 23:01 UTCGHSA enrichment
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Related CVEs(same product + same CWE)
Same product
10 shownpip:mlflow
Same CWE
10 shownCWE-425 · CWE-200
Frequently asked(5)
What is CVE-2025-15381?
When was CVE-2025-15381 disclosed?
Is CVE-2025-15381 actively exploited?
What is the CVSS score of CVE-2025-15381?
How do I remediate CVE-2025-15381?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-15381
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