VulnerabilityAnalyzed
CVE-2026-35542
The remote image blocking feature can be bypassed via a crafted background attribute of a BODY element in an e-mail message.
MEDIUM 5.3EPSS 0.40%
Does this matter?
Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own.
Description
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via a crafted background attribute of a BODY element in an e-mail message. This may lead to information disclosure or access-control bypass.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 0.40% probability · 34th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-669
- Affected
- roundcube/webmail
- Source
- cve@mitre.org
References
- https://github.com/roundcube/roundcubemail/commit/e052328e3dc75f13adc2e314eaa4096ac21084adPatch
- https://github.com/roundcube/roundcubemail/commit/fd0e98178db5c73eaa93d005b561874923f9b0f0Patch
- https://github.com/roundcube/roundcubemail/commit/fde14d01adc9f37893cd82b635883e516ed453f8Patch
- https://github.com/roundcube/roundcubemail/releases/tag/1.5.14Release Notes
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.14Release Notes
- https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5Release Notes
- https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.