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P5
CVE-2026-13502: ANTLR4 4.13.0, 4.13.1, 4.13.2
CVE-2026-13502. CVSS 3.1 base score 4.5 (MEDIUM, Vendor/CNA). EPSS 0.00111 (percentile 0.01294), scored 24-Oct-2026.
Affected technology
ANTLR4 · 4.13.0, 4.13.1, 4.13.2
antlr
Description’s affected range: up to 4.13.2
Component: Maven Plugin
Function: ObjectInputStream.readObject
File: antlr4-maven-plugin/src/main/java/org/antlr/mojo/antlr4/GrammarDependencies.java
Attack conditions (VulDB, CVSS 4.0): Local · Low privileges required · No user interaction required
What an attacker can do
VulDB’s CVSS 4.0 assessment (base score 1.1/10) rates confidentiality, integrity and availability impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-362, CWE-367
- CCR priority
- 18.0 /100 (P5)
- CVSS 3.1
- 4.5 /10 · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L · Vendor/CNA
- EPSS
- 0.00111 · percentile 0.0134 · 2026-10-25
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-25 19:52:47.952465+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-25 19:51:06.643138+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-13502.html