CVE-2026-25916

mediumpriority · track · 10EPSS 0.005 · 45 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.54% (45th) EPSS

CVSS 4.3 · medium

Is it mine?

14 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-22

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

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedroundcubemail-0:1.6.13-bp160.1.1.noarch as component of openSUSE Leap 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.3mediumAV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:Nsecondary · ENISA EU

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:Nsecondary · cve@mitre.org USexploitability 2.8 · impact 1.4

v3.14.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:Psecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-420USCWE-420US

exploits (1)

Public proof-of-concept and weaponised exploit code.

mbanyamer/CVE-2026-25916-Roundcube-Webmail-DOM-based-XSS-Exploit-via-SVG-href-Attributembanyamer/CVE-2026-25916-Roundcube-Webmail-DOM-based-XSS-Exploit-via-SVG-href-AttributePoC · poc_in_github

affected products (14)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Open Source Roundcube <1.5.13all versionscert_bundDE
Open Source Roundcube <1.6.13all versionscert_bundDE
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Open Source Roundcube< 1.5.13cert_bundDE
Open Source Roundcube< 1.6.13cert_bundDE
Roundcube Webmail0 → 1.5.13enisa_euvdEU
Roundcube Webmail1.6.0 → 1.6.13enisa_euvdEU
The RoundCube Team RoundCube Webmail≤ 1.5.15fstec_bduRU
ООО «Ред Софт» РЕД ОС≤ 8.0fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 13fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 12fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 11fstec_bduRU

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-0357Roundcube: Mehrere SchwachstellenDeutsch2026-02-09csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Roundcube ausnutzen, um Sicherheitsvorkehrungen zu umgehen und um die Darstellung von E-Mails zu verfälschen.
openSUSE-SU-2026:20323-1Security update for roundcubemail2026-03-05csaf · suse_csafDE
Security update for roundcubemail

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund suse_csaf NVD CVE.org MITRE

published 2026-02-09modified 2026-06-17

references (12)

External citations — patches, advisories, analysis.

scry

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