CVE-2026-8639

HIGH
MEDIUM Priority: 0.03 BB Relevance: 68/100
Published: 2026-11-08 Modified: 2026-11-11 First seen: 2026-11-08 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

IBM Security Verify Directory 10.0.0 through 10.0.4 and IBM Verify Directory 11.0.0 is vulnerable to session fixation. An attacker can establish a session and, after the victim authenticates, hijack the authenticated session to gain unauthorized access to the directory management console.

Weakness Classification (1)

Affected Software (6)

References & Advisories (1)

Bug Bounty Relevance

68 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

8.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.32%
Raw Score 0.003240
Percentile 25.8%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00324
2026-11-12
0.00324
2026-11-10
0.00324
2026-11-09
0.00324

Intelligence Sources

mitre ref →
nvd ref →