Which products and versions are affected by CVE-2025-26794?

Affected: Exim versions >= 4.98; exim4 (debian); eximon (suse), among others. The full list is in the CVE brief.

Is CVE-2025-26794 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2025-26794 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2025-26794?

No public exploit code is known.

Is there a fix for CVE-2025-26794?

Fixed versions are available, including Exim 4.98.2-1.1, Exim 4.98.1, exim4 4.98-4.

How urgently should CVE-2025-26794 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2025-26794

Critical

Exim 4.98 before 4.98.1, when SQLite hints and ETRN serialization are used, allows remote SQL injection.

Published Feb 21, 2025 · Updated Aug 12, 2026 · Also known as DEBIAN-CVE-2025-26794, UBUNTU-CVE-2025-26794

Key Facts

Patch immediately

CVE-2025-26794 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Exim, exim4 (debian), eximon (suse) and 1 more product.
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 77% probability of exploitation in the next 30 days.
Fixed versions are available, including Exim 4.98.2-1.1, Exim 4.98.1, exim4 4.98-4.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

77%

Higher than 99.5% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2025-26794 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

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.)

Affected Products

14 affected entries in total

Product	Affected versions	Fixed in
EximExim	>= 4.98	4.98.1
exim4debian	See advisory	4.98-4
eximonsuse	See advisory	4.98.2-1.1
eximstats-htmlsuse	See advisory	4.98.2-1.1

Patched Releases

Exim

4.98.2-1.1, 4.98.1

exim4

4.98-4

eximon

4.98.2-1.1

eximstats-html

4.98.2-1.1

Timeline

Publicly disclosed
Feb 21, 2025
Last updated
Aug 12, 2026

Weakness Type

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

References

11 more references in the full CVE brief

FAQ

Common Questions.

Exim 4.98 before 4.98.1, when SQLite hints and ETRN serialization are used, allows remote SQL injection.
Affected: Exim versions >= 4.98; exim4 (debian); eximon (suse), among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Exim 4.98.2-1.1, Exim 4.98.1, exim4 4.98-4.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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