Is roundcube/roundcubemail affected by CVE-2026-35542?

Packagist roundcube/roundcubemail is affected in >=1.7-beta <1.7-rc5.

Is CVE-2026-35542 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

medium

CVE-2026-35542

Q: Is CVE-2026-35542 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

Packagist · roundcube/roundcubemail

Summary

Roundcube: Bypass of remote image blocking via crafted BODY background attribute

Severity: medium
EPSS: 0.4% (p32)
Also known as: GHSA-5hf6-crg4-fg59
Published: 2026-04-03

References

Related advisories

CVE-2025-49113 — critical · Packagist/roundcube/roundcubemail
CVE-2026-35539 — medium · Packagist/roundcube/roundcubemail
CVE-2026-35545 — medium · Packagist/roundcube/roundcubemail
CVE-2026-35540 — medium · Packagist/roundcube/roundcubemail
CVE-2026-35543 — medium · Packagist/roundcube/roundcubemail
CVE-2026-35541 — medium · Packagist/roundcube/roundcubemail
CVE-2026-35544 — medium · Packagist/roundcube/roundcubemail

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.