Improper Input Validation Affecting org.mengyun:tcc-transaction package, versions [0,]
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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- published1 Jul 2026
- disclosed26 May 2026
- creditUnknown
Introduced: 26 May 2026
CVE-2026-9497 (opens in a new tab)How to fix?
There is no fixed version for org.mengyun:tcc-transaction.
Overview
Affected versions of this package are vulnerable to Improper Input Validation in the Fastjson.parseObject process of the Fastjson AutoType REST API. An attacker can execute arbitrary code or manipulate application behavior by sending specially crafted input that triggers unsafe deserialization.