EUVD-2026-72613
GHSA-3pg6-r94f-fcvh
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-reachable API flaw requiring low-privilege authentication; limited read/write scope on JSON paths only; no established availability impact.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
5DescriptionCVE.org
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.
AnalysisAI
Improper access controls in java-json-tools json-patch (versions up to 1.13) allow low-privileged, network-accessible attackers to abuse the CopyOperation.apply and MoveOperation.apply methods to reference JSON document paths outside their permitted scope, enabling unauthorized data reads or writes within the processed JSON structure. The flaw resides in src/main/java/com/github/fge/jsonpatch/CopyOperation.java and affects any application that exposes JSON Patch processing to partially-trusted callers without additional server-side path validation. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to hold at least low-privilege authenticated access (CVSS PR:L) to a service that: (1) uses java-json-tools json-patch version 1.13 or earlier, (2) accepts externally-supplied or user-influenced JSON Patch documents containing Copy or Move operations, and (3) applies those operations directly against JSON structures that contain data the caller is not authorized to access. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N, VC:L/VI:L/VA:L, E:P) establishes a network-exploitable, low-complexity scenario requiring low privileges and confirming a public exploit exists. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | VulDB references the upstream repository (https://github.com/java-json-tools/json-patch/) as the patch source, but because the CVE description states the project had not responded to disclosure, operators should manually inspect the repository for commits or releases beyond version 1.13 before assuming a fix is available - no authoritative fix version can be cited from the current input data. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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