CVE-2026-91864
Last modified
CVE-2026-91864 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A specially crafted WS-Policy document can pack unlimited content inside a policy assertion, which Neethi copies into memory without counting it against its size limits, exhausting the heap (denial of service). Users are recommended to upgrade to version 3.2.4, which fixes this issue.. EPSS estimates a 0.49% chance of exploitation in the next 30 days.
Description
A specially crafted WS-Policy document can pack unlimited content inside a policy assertion, which Neethi copies into memory without counting it against its size limits, exhausting the heap (denial of service). Users are recommended to upgrade to version 3.2.4, which fixes this issue.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Neethi | < 3.2.4 |
References
- https://lists.apache.org/thread/400kbynbyhqhsjkv1yz251jm9wdz8z69Mailing List, Vendor Advisory
- https://www.openwall.com/lists/oss-security/2026/09/18/11Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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