CVE-2026-18836

CRITICAL
INFO Priority: 0.04 BB Relevance: 79/100
Published: 2026-11-07 Modified: 2026-11-09 First seen: 2026-11-07 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Integ. Impact Scope Change

CVSS Vector Breakdown

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

Description

IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote attacker to obtain sensitive information due to server-side request forgery. The affected component can be made to send requests to unintended destinations and return the response to the attacker.

Affected Software (4)

VendorProductVersion
IBM API Connect 12.1.0.0
IBM API Connect 10.0.8.0
IBM API Connect 12.1.0.0
IBM API Connect 10.0.8.0

References & Advisories (2)

Bug Bounty Relevance

79 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.3 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N

EPSS — Exploitation Probability

0.41%
Raw Score 0.004060
Percentile 35.4%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00406
2026-11-12
0.00406
2026-11-10
0.00406
2026-11-09
0.00406
2026-11-08
0.00406
2026-11-07
0.00406

Intelligence Sources

mitre ref →
nvd ref →