01 Record
CVE-2026-100244
CentralAuth exposes locally suppressed block information via globaluserinfo API and Special:CentralAuth (incomplete fix for CVE-2025-62669)
HighPUBLISHEDCNA: wikimedia-foundation
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
02 Description
CentralAuth exposes locally suppressed block information via globaluserinfo API and Special:CentralAuth (incomplete fix for CVE-2025-62669)
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.25% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 16.8% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (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:H/I:N/A:N
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-09-30.
- 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
- 2026-09-29 16:48Z29 DAYS AGO
- Last updated
- 2026-09-30 20:44Z28 DAYS AGO
- Reserved
- 2026-09-25
- Assigning CNA
- wikimedia-foundation
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
- Data version
- 5.2
- Document digest
- 01713df1944ae4258da84c9fb837d61e34be63978d0705a2c240fdac8f687d78
05 Affected products
VendorProductVersionsPlatforms
06 References
- phabricator.wikimedia.orghttps://phabricator.wikimedia.org/T432789
- gerrit.wikimedia.orghttps://gerrit.wikimedia.org/r/q/Ifd262c11300dd0355e177d6185bcd704d2720a47