Vulnerability · Published Oct 20, 2026 · Assigned by apache
CVE-2026-108088Apache Cocoon: Cross-user cache poisoning
High 7.5
In plain English
A high-severity security flaw in Apache Cocoon from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).
Official description
** UNSUPPORTED WHEN ASSIGNED ** Use of cache containing sensitive information vulnerability in Apache Cocoon. When using the cache on a multi-user application, cached values for one user could be used when serving content for other users. This issue affects Apache Cocoon: all versions. As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Cocoon | 0 – through * |
Weakness: CWE-524 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N