CVE-2026-107822
MariaDB: database privilege escalation via user / role name collision in the acl cache
02 Description
MariaDB: database privilege escalation via user / role name collision in the acl cache
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.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.51% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 43.6% of scored records. A rank, not a probability.
- NVD base score
- 6.4 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-10-14.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
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
- 2026-10-09 17:28Z19 DAYS AGO
- Last updated
- 2026-10-13 20:27Z15 DAYS AGO
- Reserved
- 2026-10-08
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.4)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- Data version
- 5.2
- Document digest
- 2624fab3e36c7896d3cec0b48024e922815f01201631813abb65eb5ea736861d
05 Affected products
06 References
- github.comhttps://github.com/MariaDB/server/security/advisories/GHSA-2m85-2x26-36rf
- github.comhttps://github.com/MariaDB/server/commit/67ea07dd3400004e4f7ae01bf977f4344bbe064b
- github.comhttps://github.com/MariaDB/server/releases/tag/mariadb-10.11.19
- github.comhttps://github.com/MariaDB/server/releases/tag/mariadb-10.6.28
- github.comhttps://github.com/MariaDB/server/releases/tag/mariadb-11.4.13
- github.comhttps://github.com/MariaDB/server/releases/tag/mariadb-11.8.9
- github.comhttps://github.com/MariaDB/server/releases/tag/mariadb-12.3.3
- github.comhttps://github.com/MariaDB/server/releases/tag/mariadb-13.0.2
- jira.mariadb.orghttps://jira.mariadb.org/browse/MDEV-40541
07 Fixed in
Debian 12
- mariadb No fix yet
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- mariadb No fix yet
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- mariadb Fixed in 1:11.8.9+ds-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- mariadb-10.0 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- mariadb-10.1 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- mariadb-10.3 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- mariadb-10.6 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 24.04 LTS
- mariadb No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.04 LTS
- mariadb No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.10
- mariadb No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.