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🚨 A lot of offensive activities were identified targeting Roundcube Webmail (CVE-2026-113386) vuldb.com/vuln/422661/cti https://t.co/sXbjIYlGRy
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CVE-2026-113386
LOWCVSS 7.1 · HIGHSignal 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
Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 are affected by IMAP command injection. A remote authenticated attacker can exploit this via CRLF sequences injected into the _uid parameter of the mail/headers and mail/viewsource actions to execute arbitrary IMAP commands.
0.0/ 10 priority
Sources & remediation
Other references
- https://bugs.debian.org/1151279
- https://github.com/roundcube/roundcubemail/commit/004adaaeca4f6799715a54d12e3f657f19efcc9a
- https://github.com/roundcube/roundcubemail/commit/bf5bc0266a8cd16be6b640409e64a6c6c2705049
- https://github.com/roundcube/roundcubemail/commit/f62879defc0330ae240c72b83b2d00a8ab337447
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.20
Weakness type (CWE)
CWE-93
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
Threat summary
- 1 mentions across 1 observed day
What's happening
- 1 total mentions across 1 day