AIKIDO-2026-10877
symfony/json-path is vulnerable to Regular Expression Denial of Service (ReDoS)
65
Medium Risk
This Affects:
symfony/json-pathTL;DR
JsonPath passes patterns from match() and search() filters directly into preg_match(). An attacker-controlled JSONPath expression can supply a catastrophic-backtracking regular expression. Pre-fix applications that evaluate untrusted JSONPath expressions can have workers pinned by CPU exhaustion. The fix bounds PCRE backtracking during these matches so pathological expressions fail quickly.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
symfony/json-path is vulnerable to Regular Expression Denial of Service (ReDoS) in versions 7.3.0 - 7.4.11 and 8.0.0 - 8.0.11.
How to fix this
Upgrade the symfony/json-path and/or symfony/symfony library to the patch version.
Links
GitHub Releases
github.com/symfony/json-path/releases/tag/v8.0.12github.com/symfony/symfony/releases/tag/v7.4.12github.com/symfony/symfony/releases/tag/v8.0.12
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