SQL injection in Exim
Priority CRITICAL 87CWE-89Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- SQL injection
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-89.
Summary
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.)
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.77636 99th percentileScored 2026-11-07
Fix Fixed Exim (Exim): 4.98.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Exim (Exim) Fixed in 4.98.1
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2025-26794
- 2026-10-03 Alias added: GHSA-v8m7-99rg-xp5c
References
Patch 2
Advisory 6
- https://github.com/Exim/exim/wiki/EximSecurity
- https://www.exim.org/static/doc/security/CVE-2025-26794.txt
- https://bugzilla.suse.com/show_bug.cgi?id=1237424
- http://www.openwall.com/lists/oss-security/2025/02/19/1
- http://www.openwall.com/lists/oss-security/2025/02/21/4
- http://www.openwall.com/lists/oss-security/2025/02/21/5
More Exim vulnerabilities
- TI-2019-12627 Exim 4.92 through 4.92.2 allows remote code execution, a different vulnerability than… KEVCVSS 3.1CRITICAL 9.8
- TI-2019-07471 OS command injection in exim KEVCVSS 3.1CRITICAL 9.8
- TI-2018-04965 An issue was discovered in the base64d function in the SMTP listener in Exim before… KEVCVSS 3.1CRITICAL 9.8
- TI-2010-04077 Heap-based buffer overflow in the string_vformat function in string.c in Exim before 4.70… KEVCVSS 3.1CRITICAL 9.8
- TI-2010-04078 Exim 4.72 and earlier allows local users to gain privileges by leveraging the ability of… KEVCVSS 3.1HIGH 7.8
- TI-2023-22483 Out-of-bounds write in Exim CVSS 3.0CRITICAL 9.8
Sources
- CVE-2025-26794 · CVE Program
- CVE-2025-26794 · NVD
- FIRST EPSS
- GHSA-v8m7-99rg-xp5c · GitHub Advisory Database · CC BY 4.0
- CVE-2025-26794 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences