Data Amplification Affecting org.jboss.resteasy:resteasy-core package, versions [,6.2.19.Final)[7.0.0.Alpha1,7.0.5.Final)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JAVA-ORGJBOSSRESTEASY-20044968
- published22 Sept 2026
- disclosed18 Sept 2026
- creditUnknown
Introduced: 18 Sep 2026
NewCVE-2026-89059 (opens in a new tab)How to fix?
Upgrade org.jboss.resteasy:resteasy-core to version 6.2.19.Final, 7.0.5.Final or higher.
Overview
org.jboss.resteasy:resteasy-core is a JBoss.org project aimed at providing productivity frameworks for developing client and server RESTful applications and services in Java.
Affected versions of this package are vulnerable to Data Amplification in the readFrom() method of IIOImageProvider, which passes the request body to IIOImageProviderHelper.readImage() and on to ImageReader.readAll(imageIndex, null) with no dimension or pixel-count check and no size limit. An attacker can exhaust the heap from a tiny request by submitting an image whose header declares enormous dimensions, such as a 68-byte PNG declaring 20,000x20,000 pixels, which drives an allocation attempt of roughly 1.6 GB before any decoding completes. This requires an endpoint that accepts IIOImage input under an image/* content type.