CVE-2026-109140

HIGH
MEDIUM Priority: 0.03 BB Relevance: 57/100
Published: 2026-11-02 Modified: 2026-11-02 First seen: 2026-11-02 Status: active

Attack Surface

Network No Interaction Conf. Impact Integ. Impact Scope Change

CVSS Vector Breakdown

AV: Network
AC: High
PR: Low
UI: None
S: Changed
C: High
I: High
A: Low

Description

The vulnerability is that Krill encrypts every login-session token with a nonce built from a counter that is reset to 0 on every Krill restart, so the same (key, nonce) pair is used again after each restart.

References & Advisories (1)

Bug Bounty Relevance

57 / 100
✓ Network accessible
✓ No user interaction

CVSS Score

8.4 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L

EPSS — Exploitation Probability

0.31%
Raw Score 0.003090
Percentile 24.1%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00309
2026-11-12
0.00309
2026-11-10
0.00309
2026-11-09
0.00309
2026-11-08
0.00309
2026-11-07
0.00309
2026-11-06
0.00309
2026-11-05
0.00309
2026-11-04
0.00309
2026-11-03
0.00309

Intelligence Sources

mitre ref →
nvd ref →