CVE-2026-121138

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 63/100
Published: 2026-11-03 Modified: 2026-11-05 First seen: 2026-11-03 Status: active

Attack Surface

Network Low Complexity No Auth Conf. Impact

CVSS Vector Breakdown

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

Description

Observable discrepancy in CORS in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Low)

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
Google Chrome 157.0.8103.38 < 157.0.8103.38
Google Chrome 157.0.8103.38 < 157.0.8103.38
google chrome < 157.0.8103.38

Bug Bounty Relevance

63 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

6.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS — Exploitation Probability

0.25%
Raw Score 0.002470
Percentile 16.2%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00247
2026-11-13
0.00247
2026-11-12
0.00247
2026-11-10
0.00247
2026-11-09
0.00247
2026-11-08
0.00247
2026-11-07
0.00247
2026-11-06
0.00247
2026-11-05
0.00219
2026-11-04
0.00185

Intelligence Sources

mitre ref →
nvd ref →