CVE-2026-21834

LOW
INFO Priority: 0.00 BB Relevance: 46/100
Published: 2026-11-06 Modified: 2026-11-10 First seen: 2026-11-06 Status: active

Attack Surface

Network No Interaction

CVSS Vector Breakdown

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

Description

HCL AION is affected by a vulnerability where the Content-Security-Policy (CSP) security response header was missing from application responses. Without this header, the browser does not restrict the sources of scripts and other content, increasing exposure to cross-site scripting and content-injection attacks, potentially resulting in unintended behavior or security impact under certain conditions.

Affected Software (2)

VendorProductVersion
HCL Software HCL AION Version 2.7.0
HCL Software HCL AION Version 2.7.0

Bug Bounty Relevance

46 / 100
✓ Network accessible
✓ No user interaction

CVSS Score

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

EPSS — Exploitation Probability

0.15%
Raw Score 0.001520
Percentile 4.4%
Date 2026-11-10

EPSS Trend

2026-11-10
0.00152
2026-11-09
0.00152
2026-11-08
0.00152
2026-11-07
0.00152

Intelligence Sources

mitre ref →
nvd ref →