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{"bugzilla": {"description": "cJSON: cJSON: Data corruption and unauthorized modification via JSON Pointer escape decoding", "id": "2514418", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2514418"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "status": "draft"}, "cwe": "CWE-386", "details": ["cJSON versions 1.5.0 through 1.7.19 contain an incorrectly-resolved name or reference vulnerability in the decode_pointer_inplace() function within cJSON_Utils.c that allows unauthenticated attackers to cause JSON Patch operations to target wrong object keys by supplying crafted JSON Pointer escape sequences (~0 or ~1) in patch paths. Attackers can submit malicious RFC 6902 JSON Patch input to applications using cJSONUtils_ApplyPatches() or cJSONUtils_ApplyPatchesCaseSensitive() to silently corrupt data or delete unintended keys, potentially bypassing authorization controls in applications that rely on JSON Patch for access-controlled data modification.", "A flaw was found in cJSON, a JSON parser and generator. This vulnerability allows unauthenticated attackers to manipulate JSON Patch operations by supplying crafted JSON Pointer escape sequences. This can lead to silent corruption of data or the deletion of unintended keys, potentially bypassing authorization controls in applications that use cJSON for data modification. The flaw resides in the `decode_pointer_inplace()` function."], "name": "CVE-2026-29036", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Under investigation", "package_name": "rpm-ostree", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Under investigation", "package_name": "chunkah", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Under investigation", "package_name": "rpm-ostree", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Under investigation", "package_name": "cjson", "product_name": "Red Hat Satellite 6"}], "public_date": "2026-08-11T21:30:01Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-29036\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-29036\nhttps://github.com/DaveGamble/cJSON\nhttps://www.vulncheck.com/advisories/cjson-wrong-key-modification-via-json-pointer-escape-decoding"], "threat_severity": "Important"}

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