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Critical 9.8Published Oct 5, 2026

CVE-2026-104711Apache Struts: OGNL injection in the legacy RESTful action mapper

Updated under an hour ago ()

Does this affect you?

It affects Apache Software Foundation Apache Struts and 1 other product. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 1.19%, higher than 67% of scored CVEs.

Improper neutralization of special elements used in an expression language statement ('Expression Language Injection') vulnerability in Apache Struts. If the application is configured to use the legacy RESTful action mapper, a crafted request can inject an OGNL expression that may lead to remote code execution. Struts 7 is affected only when the OGNL allowlist is disabled; it is enabled by default. Applications using the default action mapper, the restful2 mapper, or the Struts REST plugin 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.

CVSS
9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-917
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
1.19% (percentile 67)
Assigned by
apache
NVD analysis
Analyzed
Record last updated
Oct 6, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Apache Software Foundation Apache Struts
apache_software_foundation:apache_struts (from the name)
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
CNA record
apache struts
apache:struts
from 2.0.0 through 2.3.37; from 2.5.0 through 2.5.33; from 6.0.0 before 6.12.0; from 7.0.0 before 7.4.0
NVD

References

  • vendor-advisory
  • mailing-list, third-party-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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