Threat Intelligence / CVE / CVE-2025-68461

CVE-2025-68461 — Roundcube Webmail

CISA KEV

CVSS v3.1 7.2 (HIGH) · EPSS 6.8% (higher than 91.3% of all scored CVEs) · Priority 9/10 · Published 2025-12-18

As of 2026-02-23, CVE-2025-68461 is a HIGH-severity vulnerability in Roundcube Webmail, CVSS v3.1 7.2, EPSS 6.8% (91.3th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-02-20), with a US federal remediation deadline of 2026-03-13. Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2025-68461, most recently “RoundCube Webmail Active Exploitation — CVE-2025-49113 Deserialization RCE (CVSS 9.9) + CVE-2025-68461 XSS via SVG Animate Tag (CISA KEV)”.

Last updated: 2026-02-23

What is CVE-2025-68461?

Roundcube Webmail before 1.5.12 and 1.6 before 1.6.12 is prone to a Cross-Site-Scripting (XSS) vulnerability via the animate tag in an SVG document.

The record classifies CVE-2025-68461 under weakness class CWE-79. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 269 days ago.

Severity and exploitation probability

CVSS v3.1 base score: 7.2 — HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
EPSS (FIRST): 6.8% probability of exploitation in the next 30 days, higher than 91.3% of all scored CVEs
CISA KEV: Listed since 2026-02-20, federal remediation deadline 2026-03-13
Threadlinqs priority: 9/10 — CISA KEV-listed, which Threadlinqs floors at 9
Published: 2025-12-18, last modified 2026-02-23

Is CVE-2025-68461 being exploited?

CISA added CVE-2025-68461 to the Known Exploited Vulnerabilities catalog on 2026-02-20, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2026-03-13 under BOD 22-01. It currently carries a trending score of 38 in the Threadlinqs vulnerability feed.

Affected products and versions

Roundcube: Webmail

How to fix CVE-2025-68461

The record marks a vendor fix as available for CVE-2025-68461. Patch reference: https://github.com/roundcube/roundcubemail/commit/bfa032631c36b900e7444dfa278340b33cbf7cdb. Vendor advisory: https://github.com/roundcube/roundcubemail/commit/bfa032631c36b900e7444dfa278340b33cbf7cdb. Because CVE-2025-68461 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2026-03-13. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

Threat activity tracking CVE-2025-68461

1 tracked threat in the Threadlinqs corpus references CVE-2025-68461, either in the campaign’s CVE list or as an indicator on the campaign record.

RoundCube Webmail Active Exploitation — CVE-2025-49113 Deserialization RCE (CVSS 9.9) + CVE-2025-68461 XSS via SVG Animate Tag (CISA KEV) — CRITICAL · 2026-02-22

Sources

Seeded from nvd and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.

Full detection coverage & IOCs for threats exploiting CVE-2025-68461 are available via the Threadlinqs MCP server (Purple tier). View plans →

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