9.1

CVE-2026-68525: apache software foundation apache tomcat Incorrect Authorization

CVSS: 9.1v3.1CriticalAnalyzed
AliasesUBUNTU-CVE-2026-68525DEBIAN-CVE-2026-68525CGA-4wgg-gj4f-63fm
Published 25-08-2026Last modified 26-08-2026
Open JSON

Vulnerability summary

CVE-2026-68525 is a critical (CVSS 9.1) Incorrect Authorization vulnerability in apache software foundation apache tomcat. EPSS estimates a 0.48% chance of exploitation in the next 30 days, higher than 39.7% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.48%
0%100%
Low · -0.15 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 21 · Related 17
MGASA-2026-0376OPENSUSE-SU-2026:11759-1OPENSUSE-SU-2026:11760-1OPENSUSE-SU-2026:11761-1OPENSUSE-SU-2026:21810-1OPENSUSE-SU-2026:21811-1

Timeline

  1. 25-08-2026
    PublishedVulnerability first disclosed.
  2. 26-08-2026
    Last modifiedVulnerability information updated.

Description

Incorrect Authorization vulnerability in Apache Tomcat's FORM authentication process allows the bypassing of a security constraint that limits user has access to a resource POST but not GET. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fixes the issue.

CVSS metrics

7 scores · 7 sources · 1 version

EPSS trend

Probability

0.48%

Chance of exploitation in the next 30 days

Percentile

40%

Versus all other CVEs

30-day change

-0.15 pp

From 0.63% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.48%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard24 products
  • camunda-8.8< 8.8.37-r1
  • camunda-8.9< 8.9.18-r1
  • camunda-zeebe-8.6< 8.6.39-r12
  • camunda-zeebe-8.7< 8.7.38-r1
  • camunda-zeebe-8.8< 8.8.37-r1
Ubuntu6 products
  • tomcat10All versions (No fix recorded)
  • tomcat11All versions (No fix recorded)
  • tomcat6All versions (No fix recorded)
  • tomcat7All versions (No fix recorded)
  • tomcat8All versions (No fix recorded)
Debian3 products
  • tomcat10All versions (No fix recorded) | < 10.1.60-1
  • tomcat11All versions (No fix recorded)
  • tomcat9< 9.0.70-2
Org.apache.tomcat2 products
  • tomcat≥ 11.0.0-M1, < 11.0.25 | ≥ 10.1.0-M1, < 10.1.58 | ≥ 9.0.0-M1, < 9.0.121 | ≥ 8.5.0, ≤ 8.5.100 | ≥ 7.0.0, ≤ 7.0.109
  • tomcat-catalina≥ 11.0.0-M1, < 11.0.25 | ≥ 10.1.0-M1, < 10.1.58 | ≥ 9.0.0-M1, < 9.0.121 | ≥ 8.5.0, ≤ 8.5.100 | ≥ 7.0.0, ≤ 7.0.109
Wolfi2 products
  • thingsboard-tb-mqtt-transport< 4.3.1.4-r2
  • thingsboard-tb-node< 4.3.1.4-r2
Apache1 product
  • tomcat≥ 7.0.0, ≤ 7.0.109 | ≥ 8.5.0, < 9.0.121 | ≥ 10.1.0, < 10.1.58 | ≥ 11.0.0, < 11.0.25
Apache software foundation1 product
  • apache tomcat≥ 11.0.0-M1, ≤ 11.0.24 | ≥ 10.1.0-M1, ≤ 10.1.57 | ≥ 9.0.0.M1, ≤ 9.0.120 | ≥ 8.5.0, ≤ 8.5.100 | ≥ 7.0.0, ≤ 7.0.109
Org.apache.tomcat.embed1 product
  • tomcat-embed-core≥ 11.0.0-M1, < 11.0.25 | ≥ 10.1.0-M1, < 10.1.58 | ≥ 9.0.0-M1, < 9.0.121 | ≥ 8.5.0, ≤ 8.5.100 | ≥ 7.0.0, ≤ 7.0.109

8 vendors · 40 products

References

14 links
Show all 14 references