CVE-2026-86318
mediumA flaw has been found in java-json-tools json-patch up to 1.13.
A flaw has been found in java-json-tools json-patch up to 1.13. Affected is the function JsonMergePatch.fromJson of the file JsonMergePatchDeserializer.java. Executing a manipulation can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
CVSS
5.3
5.3 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Severity source: NVD CVSS v3.1 (cna@vuldb.com)
Timeline (UTC)
Published: 2026-09-07 15:17
Modified: 2026-09-08 14:17
NVD status: Deferred
Last synced 1 day ago
Verified against the source API 2026-10-27 06:51 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/java-json-tools/json-patch/ cna@vuldb.com
- https://github.com/java-json-tools/json-patch/issues/168 cna@vuldb.com
- https://vuldb.com/cve/CVE-2026-86318 cna@vuldb.com
- https://vuldb.com/submit/908319 cna@vuldb.com
- https://vuldb.com/vuln/399509 cna@vuldb.com
- https://vuldb.com/vuln/399509/cti cna@vuldb.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:51 UTC · record ↗