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Vulnerabilities

Vulnerability · CVE-2026-104714

Concurrent execution using shared resource with improper synchronization ('race condition') vulnerability in Apache Struts.

Published Oct 5, 2026 · catalog updated Oct 8, 2026 · Concurrent execution using shared

Last checked Nov 8, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-104714. EPSS is 0.53%. Act only if a listed version of Concurrent execution using shared is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Concurrent execution using shared).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.53%
Remediation
Version ranges on file
Affected products
cpe apache/struts

Concurrent 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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe apache/struts< 6.12.0
  • cpe apache/struts< 7.4.0
  • cpe apache/struts>= 2.0.0, <= 2.3.37
  • cpe apache/struts>= 2.5.0, <= 2.5.33

How to fix CVE-2026-104714

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-104714. EPSS is 0.53%. Act only if a listed version of Concurrent execution using shared is installed.

Which versions are affected?

Compare what you have installed with < 6.12.0, < 7.4.0, >= 2.0.0, <= 2.3.37, >= 2.5.0, <= 2.5.33. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-362: Race Condition. EPSS 0.53%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Apache Struts security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 5, 2026 · Monitored products — high

    Detected

    Concurrent 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 r

  2. Oct 8, 2026 · Monitored products — high

    Updated

    Concurrent 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 r

Sources

  • FIRST EPSSExploitation probabilityCVE-2026-104714

    30-day exploitation probability 0.53%

    first.org
  • Monitored products — highVendor advisoryCVE-2026-104714

    Concurrent 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 r

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 8, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 8, 2026
  • Monitored products — highNov 8, 2026