CVE-2026-3303

LOW
INFO Priority: 0.01 BB Relevance: 57/100
Published: 2026-10-19 Modified: 2026-11-03 First seen: 2026-11-03 Status: active

Attack Surface

Network No Auth No Interaction

CVSS Vector Breakdown

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

Description

IBM Concert 1.0 through 3.0.0 uses cross-origin resource sharing (CORS) which could allow an attacker to carry out privileged actions as the domain name is not being limited to only trusted domains.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
ibm concert 1.0.0 – 3.0.0

References & Advisories (1)

Bug Bounty Relevance

57 / 100
✓ Network accessible
✓ No authentication
✓ No user interaction

CVSS Score

3.7 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS — Exploitation Probability

0.22%
Raw Score 0.002220
Percentile 12.8%
Date 2026-11-03

Intelligence Sources

nvd ref →