Medium severity5.3NVD Advisory· Published Feb 25, 2026· Updated Jun 17, 2026
CVE-2026-25138
CVE-2026-25138
Description
Rucio is a software framework that provides functionality to organize, manage, and access large volumes of scientific data using customizable policies. Prior to versions 35.8.3, 38.5.4, and 39.3.1, the WebUI login endpoint returns distinct error messages depending on whether a supplied username exists, allowing unauthenticated attackers to enumerate valid usernames. Versions 35.8.3, 38.5.4, and 39.3.1 fix the issue.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
rucio-webuiPyPI | < 35.8.3 | 35.8.3 |
rucio-webuiPyPI | >= 36.0.0rc1, < 38.5.4 | 38.5.4 |
rucio-webuiPyPI | >= 39.0.0rc1, < 39.3.1 | 39.3.1 |
Affected products
3Patches
Vulnerability mechanics
References
7- github.com/rucio/rucio/security/advisories/GHSA-38wq-6q2w-hcf9nvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-38wq-6q2w-hcf9ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-25138ghsaADVISORY
- cheatsheetseries.owasp.org/cheatsheets/Authentication_Cheat_Sheet.htmlnvdNot ApplicableWEB
- github.com/rucio/rucio/releases/tag/35.8.3nvdProductRelease NotesWEB
- github.com/rucio/rucio/releases/tag/38.5.4nvdProductRelease NotesWEB
- github.com/rucio/rucio/releases/tag/39.3.1nvdProductRelease NotesWEB
News mentions
0No linked articles in our index yet.