CVE-2026-118129Published
jeremyckahn Chitchatter PostMessage Bootstrap.tsx isConfigMessageEvent improper authentication
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-118129 · Microsoft / collected KEV context
cve-program · CVE-2026-118129
- https://vuldb.com/vuln/427456
- https://vuldb.com/vuln/427456/cti
- https://vuldb.com/cve/CVE-2026-118129
- https://vuldb.com/submit/1015027
- https://github.com/0xGenesi/CVE/blob/main/Chitchatter_SDK_postMessage_Identity_Key_Injection.md
- https://github.com/jeremyckahn/chitchatter/pull/635
- https://github.com/jeremyckahn/chitchatter/commit/e3babb5cd83bfe3b99f1d82358ac5c1ea8e8a688
- https://github.com/jeremyckahn/chitchatter/
Related operational evidence
Explicit CVE identifiers- jeremyckahn Chitchatter PostMessage Bootstrap.tsx isConfigMessageEvent improper authentication · Newly collected advisory · 28 Oct 2026