PT-2026-82031

Mattermost doesn't sanitize the Remote Cluster API response on PATCH operations in github.com/mattermost/mattermost-server...

UBUNTU-CVE-2026-67217

cJSON through 1.7.19 applies RFC 6902 JSON Patch operations non-atomically in applypatch in cJSONUtils.c. For a replace operation that is missing its value member, or a move operation whose destination path cannot be resolved, the existing target member is detached and deleted before the operatio...

EUVD-2026-50327

cJSON through 1.7.19 is vulnerable to uncontrolled recursion leading to stack exhaustion when an untrusted RFC 6902 JSON Patch is applied via cJSONUtilsApplyPatches or cJSONUtilsApplyPatchesCaseSensitive. A patch containing add and copy operations grafts duplicated subtrees to amplify document...

Authorization Bypass

Spring Data REST is vulnerable to Authorization Bypass. The vulnerability is due to improper enforcement of write-access restrictions in the JSON Patch application/json-patch+json implementation, where intermediate path segments in multi-segment JSON Pointer expressions are not subjected to...

GHSA-QH3J-MRG8-F234 Signal K Server: Arbitrary Prototype Read via `from` Field Bypass

Summary The /signalk/v1/applicationData/... JSON-patch endpoint allows users to modify stored application data. To prevent Prototype Pollution, the developers implemented an isPrototypePollutionPath guard. However, this guard only checks the path property of incoming JSON-patch objects. It...

GHSA-9QMH-276G-X5PJ Prototype Pollution in immer

Overview Affected versions of immer are vulnerable to Prototype Pollution. Proof of exploit js const applyPatches, enablePatches = require"immer"; enablePatches; let obj = ; console.log"Before : " + obj.polluted; applyPatches, op: 'add', path: "proto", "polluted" , value: "yes" ; // applyPatches,...

Prototype Pollution

Overview fast-json-patch is a leaner and meaner implementation of JSON-Patch. Affected versions of this package are vulnerable to Prototype Pollution via applyPatch and applyOperation in fast-json-patch.js. Details Prototype Pollution is a vulnerability affecting JavaScript. Prototype Pollution...