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Advisory record · GHSA-rg58-xhh7-mqjw

Apache Struts has a Denial of Service vulnerability

CVSS 8.2 HighEPSS 0.0059 · 48th percentile

Published by the GitHub Advisory Database at 10 Dec 2025, 12:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.apache.struts:struts2-coreMaven>=2.0.0, <6.8.0 || >=7.0.0, <7.1.16.8.0, 7.1.1
Identifiers
GHSA-rg58-xhh7-mqjw · CVE-2025-66675
Weakness (CWE)
CWE-459
Tags
Published
10 Dec 2025
Updated
10 Dec 2025

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Apache Struts (org.apache.struts:struts2-core) versions from 2.0.0 through 6.7.4 and from 7.0.0 through 7.0.3 are affected by a denial of service flaw in multipart request processing, where files are leaked and can exhaust disk space. The source does not describe what level of access an attacker needs, but the impact is disk exhaustion on the server. Upgrade to 6.8.0 or 7.1.1, which fix the issue.

Written 7 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.2 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS 0.0059, the 48th percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:09 UTC First seen by agentprime
  2. 31 Oct 2026, 15:09 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.