SQL Injection in Exim
CVE-2025-26794
Exim 4.98 before 4.98.1, when SQLite hints and ETRN serialization are used, allows remote SQL injection. (Resolving SQL injection requires an update to 4.99.1 in certain non-default rate-limit configurations.)
Vulnerability class: SQL Injection
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.775 (99.6th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.772 · newest: 0.775 · change: +0.003
Affected products
- Exim — versions 4.98
Weakness classification (CWE)
Public proof-of-concept exploits
References
- exim.org (Product)
- github.com/Exim/exim/wiki/EximSecurity (Vendor Advisory)
- www.exim.org/static/doc/security/CVE-2025-26794.txt (Vendor Advisory)
- code.exim.org/exim/exim/commit/bfe32b5c6ea033736a26da8421513206db9fe305 (Patch)
- bugzilla.suse.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- github.com/NixOS/nixpkgs/pull/383926 (Release Notes)
- github.com/openbsd/ports/commit/584d2c49addce9ca0ae67882cc16969104d7f82d (Patch)
- exim.org/static/doc/security/EXIM-Security-2025-12-09.1/report.txt
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-26794?
- CVE-2025-26794 is a high-severity vulnerability in Exim, classified under SQL Injection. CVSS score: 7.5/10. Published 2025-02-21.
- How severe is CVE-2025-26794?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2025-26794 known to be exploited?
- 11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.