CVE detail
CVE-2026-13502
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.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 17.9 · diversity 6.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
5 source links · newest first
- https://vuldb.com/vuln/374498/ctivuldb.com
No excerpt available.
Exploitvuldb.comJun 28, 2026, 3:16 PM - https://vuldb.com/vuln/374498vuldb.com
No excerpt available.
Exploitvuldb.comJun 28, 2026, 3:16 PM - https://vuldb.com/submit/838685vuldb.com
No excerpt available.
Exploitvuldb.comJun 28, 2026, 3:16 PM - https://vuldb.com/cve/CVE-2026-13502vuldb.com
No excerpt available.
Exploitvuldb.comJun 28, 2026, 3:16 PM No excerpt available.
Exploitgithub.comJun 28, 2026, 3:16 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2026-16082CVSS 1.9 · Low
A vulnerability was identified in Sipeed PicoClaw up to 0.2.9. The impacted element is the function ExecTool.executeRun of the file pkg/agent/pipeline_execute.go. The manipulation…
- CVE-2026-53518CVSS 7.6 · High
Better Auth is an authentication and authorization library for TypeScript. From 1.6.0 until 1.6.11, the @better-auth/oauth-provider POST /oauth2/token endpoint for the authorizati…
- CVE-2026-53517CVSS 8.1 · High
Better Auth is an authentication and authorization library for TypeScript. From 1.4.8-beta.7 until 1.6.11, the @better-auth/oauth-provider POST /oauth2/token endpoint on the refre…
- CVE-2026-52991CVSS 7.8 · High
In the Linux kernel, the following vulnerability has been resolved: sched/psi: fix race between file release and pressure write A potential race condition exists between pressur…
- CVE-2026-5947CVSS 7.5 · High
Undefined behavior may result due to a race condition leading to a use-after-free violation. If BIND receives an incoming DNS message signed with SIG(0), it begins work to valida…
- CVE-2026-7846CVSS 1.2 · Low
A vulnerability has been found in chatchat-space Langchain-Chatchat up to 0.3.1.3. Impacted is the function files of the file libs/chatchat-server/chatchat/server/api_server/opena…