Dashboard / CVE-2026-43513

CVE-2026-43513

HIGH
MEDIUM Priority: 0.04 BB Relevance: 75/100
Published: 2026-05-12 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact

CVSS Vector Breakdown

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

Description

Improper Handling of Case Sensitivity vulnerability in LockOutRealm in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Older unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.

Weakness Classification (1)

Affected Software (5)

VendorProductVersion
apache tomcat 7.0.0 – 7.0.109
apache tomcat 8.5.0 – 8.5.100
apache tomcat 9.0.0 – 9.0.118
apache tomcat 10.1.0 – 10.1.55
apache tomcat 11.0.0 – 11.0.22

References & Advisories (2)

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploitation Probability

0.50%
Raw Score 0.005030
Percentile 42.9%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00503
2026-10-28
0.00503

Intelligence Sources

nvd ref →

External Links