{"answers":{"affected":"","exploited":"There is no known exploitation of CVE-2026-29036 in the wild and no public exploit code.","fix":"Upgrade to a fixed version.","what":"CVE-2026-29036 is a high-severity vulnerability in DaveGamble cJSON, published on 11 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-29036 and fix it if it is affected.\n\nWhat it is: CVE-2026-29036 is a high-severity vulnerability in DaveGamble cJSON, published on 11 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-29036 in the wild and no public exploit code.\n\nAffected product: DaveGamble cJSON. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-29036/ (Markdown: https://insights.sbomify.com/CVE-2026-29036/index.md)","id":"CVE-2026-29036","markdown":"https://insights.sbomify.com/CVE-2026-29036/index.md","name":"CVE-2026-29036","record":{"aliases":["DEBIAN-CVE-2026-29036","ECHO-fc20-8bd8-847a","GHSA-89cr-7g9x-rjgw","UBUNTU-CVE-2026-29036"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["data_modify","security_bypass"],"network_reachable":"yes","non_default_config":false,"product_category":"C JSON library","requires_auth":"none","summary":"Attackers can corrupt data or delete unintended keys by exploiting JSON Pointer escape decoding flaws in cJSON, potentially bypassing authorization controls.","user_interaction":"not_required","vuln_class":"business_logic"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"VulnCheck","cpe":[],"cvss":{"score":8.7,"severity":"high","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-706","name":"Use of Incorrectly-Resolved Name or Reference"}],"description":"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.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"cJSON 1.7.19 Wrong-Key Modification via JSON Pointer Escape Decoding","id":"CVE-2026-29036","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"business_logic","year":"2026"},"n_packages":0,"n_references":2,"next":{"headline":"changedetection.io: Reflected XSS in RSS Tag Error Response","id":"CVE-2026-29038"},"packages":[],"prev":{"headline":"CivetWeb Heap/Stack Buffer Overflow via WebSocket permessage-deflate Decompression","id":"CVE-2026-29035"},"products":["cJSON"],"published":"2026-08-11","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-08-14","vendors":["DaveGamble"]},"summary":"Attackers can corrupt data or delete unintended keys by exploiting JSON Pointer escape decoding flaws in cJSON, potentially bypassing authorization controls.","url":"https://insights.sbomify.com/CVE-2026-29036/"}