CVE-2026-68525
Last modified
CVE-2026-68525 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Tomcat | >= 7.0.0, <= 7.0.109 |
| Apache | Tomcat | >= 8.5.0, < 9.0.121 |
| Apache | Tomcat | >= 10.1.0, < 10.1.58 |
| Apache | Tomcat | >= 11.0.0, < 11.0.25 |
References
- https://lists.apache.org/thread/x1y2lfsgzxwzc456f8954vbvgn03zhd7Vendor Advisory, Mailing List
- https://www.openwall.com/lists/oss-security/2026/08/26/7Third Party Advisory, Mailing List
Timeline
- Published
- Last Modified
- Status
- Analyzed
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