CVE-2026-44170
CVE-2026-44170 is a critical-severity vulnerability in Mariadb with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v4: 6.3
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-36513
- Weakness: CWE-78
- Affected product: Mariadb
- Published:
- Last modified:
Description
MariaDB server is a community developed fork of MySQL server. From versions 10.6.1 to before 10.6.26, 10.11.1 to before 10.11.17, 11.4.1 to before 11.4.11, 11.8.1 to before 11.8.7, and 12.3.1, MariaDB on WIndows with installed CONNECT engine and enabled REST support interpolated table HTTP attribute into the curl command line without proper sanitizing. This allows the user to execute shell commands on the server. This issue has been patched in versions 10.6.26, 10.11.17, 11.4.11, 11.8.7, and 12.3.2.
Frequently asked questions
- What is CVE-2026-44170?
- MariaDB server is a community developed fork of MySQL server. From versions 10.6.1 to before 10.6.26, 10.11.1 to before 10.11.17, 11.4.1 to before 11.4.11, 11.8.1 to before 11.8.7, and 12.3.1, MariaDB on WIndows with installed CONNECT engine and enabled REST support interpolated table HTTP attribute into the curl command line without proper sanitizing. This allows the user to execute shell commands on the server. This issue has been patched in versions 10.6.26, 10.11.17, 11.4.11, 11.8.7, and 12.3.2.
- How severe is CVE-2026-44170?
- CVE-2026-44170 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-44170 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-44170?
- CVE-2026-44170 primarily affects Mariadb. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-44170?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2026-44170 have an EU (EUVD) identifier?
- Yes. CVE-2026-44170 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36513.
- When was CVE-2026-44170 published?
- CVE-2026-44170 was published on 2026-06-12 and last updated on 2026-07-02.
References
- https://github.com/MariaDB/server/security/advisories/GHSA-f835-cfjq-wf73
- https://jira.mariadb.org/browse/MDEV-39289
- https://access.redhat.com/errata/RHSA-2026:25143
- https://access.redhat.com/errata/RHSA-2026:25145
- https://access.redhat.com/errata/RHSA-2026:33093
- https://access.redhat.com/errata/RHSA-2026:33412
- https://access.redhat.com/errata/RHSA-2026:33464
- https://access.redhat.com/errata/RHSA-2026:33481
- https://access.redhat.com/errata/RHSA-2026:33482
- https://access.redhat.com/security/cve/CVE-2026-44170
- https://bugzilla.redhat.com/show_bug.cgi?id=2488451
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44170.json
Affected products (2)
- cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:*
- cpe:2.3:a:mariadb:mariadb:12.3.1:*:*:*:*:*:*:*
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