CVE-2026-114424

CRITICAL
INFO Priority: 0.02 BB Relevance: 78/100
Published: 2026-11-04 Modified: 2026-11-09 First seen: 2026-11-04 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
AT: Present
VC: High
VI: High
VA: High

Description

SEPPmail Secure Email Gateway before 15.1.1 can evaluate attacker-influenced replacement text as Perl code in sender or recipient replacement rules. An unauthenticated remote sender can execute operating-system commands in the mail-processing worker context when an active rule uses message-derived replacement data and its search condition matches. The validated worker context was root.

Affected Software (2)

Bug Bounty Relevance

78 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.2 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS — Exploitation Probability

0.26%
Raw Score 0.002620
Percentile 18.2%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00262
2026-11-12
0.00262
2026-11-10
0.00262
2026-11-09
0.00262
2026-11-08
0.00262
2026-11-07
0.00262
2026-11-06
0.00262
2026-11-05
0.00262
2026-11-04
0.00262

Intelligence Sources

mitre ref →
nvd ref →