🛡️ CVE-2026-25916 on Debian — roundcube

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage.

Distribution advisory

This page covers CVE-2026-25916 as tracked by Debian, for the package roundcube. The fix is available in version 1.6.13+dfsg-1; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity none, availability none.

Weakness class

DEBIAN-CVE-2026-25916 is classified as CWE-420: Unprotected Alternate Channel. The product protects a primary channel, but it does not use the same level of protection for an alternate channel.

Affected software

DEBIAN-CVE-2026-25916 is recorded against 1 package.

  • roundcube (fixed in 1.6.13+dfsg-1)

Timeline and source

Published on 9 February 2026 and last revised on 4 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

security-tracker.debian.org (Advisory)

CVE-2026-25916 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-02-09
Updated 2026-08-12
Modified 2026-08-04
Fix URL N/A

Affected Packages

Software From version Fixed in
roundcube — 1.6.13+dfsg-1

Similar Threats

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