Intelligence online17 sources monitored8 actively exploited 7d26 published 24hChecked recently
Vulnerability record

CVE-2025-49113

RoundCube Webmail Deserialization of Untrusted Data Vulnerability

HighExploitation confirmedCISA KEV
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Webmail, fix it now.

CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

US federal civilian agencies must remediate by Mar 13, 2026.

Patch status

Official fix available since

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

Description

Roundcube Webmail before 1.5.10 and 1.6.x before 1.6.11 allows remote code execution by authenticated users because the _from parameter in a URL is not validated in program/actions/settings/upload.php, leading to PHP Object Deserialization.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

ProductVendorAffected versionsFixed inSource
WebmailRoundcube< 1.5.10; >= 1.6.0, < 1.6.111.5.10; 1.6.11KEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog.

Intelligence timeline

Developments from the last 30 days, newest first.

No developments recorded for CVE-2025-49113 in the last 30 days.

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

  • roundcube.net https://roundcube.net/news/2025/06/01/security-updates-1.6.11-and-1.5.10
  • github.com https://github.com/roundcube/roundcubemail/releases/tag/1.5.10
  • github.com https://github.com/roundcube/roundcubemail/releases/tag/1.6.11
  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2025-49113
  • fearsoff.org https://fearsoff.org/research/roundcube
  • github.com https://github.com/roundcube/roundcubemail/commit/0376f69e958a8fef7f6f09e352c541b4e7729c4d
  • github.com https://github.com/roundcube/roundcubemail/commit/7408f31379666124a39f9cb1018f62bc5e2dc695
  • github.com https://github.com/roundcube/roundcubemail/commit/c50a07d88ca38f018a0f4a0b008e9a1deb32637e
  • github.com https://github.com/roundcube/roundcubemail/pull/9865
  • vicarius.io https://www.vicarius.io/vsociety/posts/cve-2025-49113-roundcube-mitigation-script
  • vicarius.io https://www.vicarius.io/vsociety/posts/cve-2025-49113-roundcube-vulnerability-detection
  • openwall.com http://www.openwall.com/lists/oss-security/2025/06/02/3
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/06/msg00008.html
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-49113