CVE-2026-35542Disclosure(roundcube / webmail)

LOWCVSS 5.3 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-669

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • webmail

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
webmail

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-04-03: 1Technical Details · 2026-04-03: 104-03
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • CVE@CVEnew
    Disclosure

    CVE-2026-35542 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 … https://www.cve.org/CVERecord?id=CVE-2026-35542

    Post summary

    Roundcube Webmail versions before 1.5.14 and 1.6.14 have a vulnerability where the remote image blocking can be bypassed by injecting a crafted background attribute in a BODY tag.

    00000161
    56.9K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Approundcubewebmail---

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