Apache Struts: Shared message formatter exposes date and time values across concurrent requests

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-104714
StatePUBLISHED
Assignerapache
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-05 19:17:14 UTC
Updated2026-10-05 20:17:09 UTC
DescriptionConcurrent execution using shared resource with improper synchronization ('race condition') vulnerability in Apache Struts. Where a localized message formats a date or time argument, the formatter retained for that message by the application-wide text provider is used by concurrently served requests without isolation, so a value belonging to one user can appear in another user's response, or the rendering can fail and surface as a server error. Applications whose localized messages format no date or time arguments are not affected. This issue affects Apache Struts: from 2.0.0 through 2.3.37, from 2.5.0 through 2.5.33, from 6.0.0 through 6.11.0, from 7.0.0 through 7.3.0. Users are recommended to upgrade to version 6.12.0 or 7.4.0, which fixes the issue.

Risk And Classification

Problem Types: CWE-362 | CWE-362 CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apache Software Foundation Apache Struts affected 2.0.0 2.3.37 semver Not specified
CNA Apache Software Foundation Apache Struts affected 2.5.0 2.5.33 semver Not specified
CNA Apache Software Foundation Apache Struts affected 6.0.0 6.11.0 semver Not specified
CNA Apache Software Foundation Apache Struts affected 7.0.0 7.3.0 semver Not specified

References

ReferenceSourceLinkTags
cwiki.apache.org/confluence/display/WW/S2-078 [email protected] cwiki.apache.org
www.openwall.com/lists/oss-security/2026/10/05/13 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: n0mi1k (en)

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