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CVE-2026-54133— jmespath.php has CompilerRuntime code injection via unescaped function names

CVSS 9.8 · Critical EPSS 0.07% · P22

Affected Version Matrix 1

VendorProductVersion RangeStatus
jmespathjmespath.php< 2.9.1affected
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I. Basic Information for CVE-2026-54133

Vulnerability Information
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Vulnerability Title
jmespath.php has CompilerRuntime code injection via unescaped function names
Source: NVD (National Vulnerability Database)
Vulnerability Description
jmespath.php allows users to use JMESPath, software for declaratively specifying how to extract elements from a JSON document, in PHP applications with PHP data structures. Versions prior to 2.9.1 can generate and execute attacker-controlled PHP code when `JmesPath\CompilerRuntime` is used with an attacker-controlled JMESPath expression. The compiler emits parsed JMESPath function names into generated PHP source without sufficient escaping. A crafted expression can cause the generated cache file to contain executable attacker-controlled PHP, which is then loaded by the compiler runtime. The issue is patched in `2.9.1` and later. As a workaround, disable `JP_PHP_COMPILE` and do not use `JmesPath\CompilerRuntime` with attacker-controlled expressions. Use the default `AstRuntime` for untrusted expressions. Applications that must continue accepting untrusted JMESPath expressions before upgrading should ensure those expressions are never evaluated by the compiler runtime.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
jmespathjmespath.php < 2.9.1 -

II. Public POCs for CVE-2026-54133

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 9811 chars
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III. Intelligence Information for CVE-2026-54133

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Vendor Advisories for CVE-2026-54133 (1)

IV. Related Vulnerabilities

Same weakness: CWE-20

V. Comments for CVE-2026-54133

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