MEDIUMVulnerability

CVE-2026-75004

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper rule name quoting could lead to managesieve_disabled_actions setting bypass via a crafted rule name in a Sieve script. This issue only affects Roundcube instances using the managesieve plugin.

Properties

severity
MEDIUM
score
4.3
epss_score
0.00286
cve_id
CVE-2026-75004
vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
published_at
2026-08-17T13:16:55.070
last_modified
2026-09-01T21:04:08.583
epss_percentile
0.20738

Related Entities (3)

ENRICHED_BY (1)

[Source]FIRST EPSS

HAS_WEAKNESS (1)

[Weakness]Improper Neutralization of Special Elements used in a Command ('Command Injection')

DESCRIBED_BY (1)

[Source]NVD

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CVE-2026-75004 — Ninja Signal Threat Intelligence | Ninja Signal