What’s Vulnerable › Vulnerabilities

CVE-2026-86512: java-json-tools json-patch Copy Move Operations CopyOperation.java MoveOperation.apply access control

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-08 · updated 2026-09-28
• Weakness: CWE-266

Description

A vulnerability was identified in java-json-tools json-patch up to 1.13. This affects the function CopyOperation.apply/MoveOperation.apply of the file src/main/java/com/github/fge/jsonpatch/CopyOperation.java of the component Copy Move Operations. The manipulation leads to improper access controls. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected products

• java-json-tools json-patch: 1.0, 1.1, 1.2, 1.3, 1.4, 1.5 (+8)

References

• https://github.com/java-json-tools/json-patch/
• https://github.com/java-json-tools/json-patch/issues/170
• https://vuldb.com/cve/CVE-2026-86512
• https://vuldb.com/submit/908391
• https://vuldb.com/vuln/399666
• https://vuldb.com/vuln/399666/cti

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