CVE-2026-13502Medium· 4.5▾ SunlitA flaw has been found in antlr ANTLR4 up to 4.13.2. This affects the function ObjectInputStream.readObject of the file antlr4-maven-plugin/src/main/java/org/antlr/mojo/antlr4/GrammarDependencies.java of the component Maven Plugin. This m…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 24.8 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Jul 5.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.09%
0.09% → 0.1%
A flaw has been found in antlr ANTLR4 up to 4.13.2. This affects the function ObjectInputStream.readObject of the file antlr4-maven-plugin/src/main/java/org/antlr/mojo/antlr4/GrammarDependencies.java of the component Maven Plugin. This manipulation causes time-of-check time-of-use. The attack is restricted to local execution. A high degree of complexity is needed for the attack. It is indicated that the exploitability is difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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