01 Record
CVE-2026-25138
Rucio WebUI has Username Enumeration via Login Error Message
MediumPUBLISHEDCNA: GitHub_M
CNA base score5.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
02 Description
Rucio WebUI has Username Enumeration via Login Error Message
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.37% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 31.2% of scored records. A rank, not a probability.
- NVD base score
- 5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-02-25 19:28Z8 MO AGO
- Last updated
- 2026-02-26 16:03Z8 MO AGO
- Reserved
- 2026-01-29
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.3)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-204Observable Response DiscrepancyBase
- Data version
- 5.2
- Document digest
- 050abb87cde27dc012c60cb7063cf80ee1a6b95751e47dcce789a25668a28cc9
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/rucio/rucio/security/advisories/GHSA-38wq-6q2w-hcf9
- cheatsheetseries.owasp.orghttps://cheatsheetseries.owasp.org/cheatsheets/Authentication_Cheat_Sheet.html#authentication-and-error-messages
- github.comhttps://github.com/rucio/rucio/releases/tag/35.8.3
- github.comhttps://github.com/rucio/rucio/releases/tag/38.5.4
- github.comhttps://github.com/rucio/rucio/releases/tag/39.3.1