Uncontrolled Recursion Affecting org.apache.qpid:proton-j package, versions [,0.35.0)
Threat Intelligence
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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- published27 Aug 2026
- disclosed5 Aug 2026
- creditUnknown
Introduced: 5 Aug 2026
NewCVE-2026-66274 (opens in a new tab)How to fix?
Upgrade org.apache.qpid:proton-j to version 0.35.0 or higher.
Overview
org.apache.qpid:proton-j is a lightweight messaging library.
Affected versions of this package are vulnerable to Uncontrolled Recursion through unbounded nesting in the type processing. An attacker can cause a stack overflow and disrupt service availability by sending specially crafted data prior to authentication.