CyberChef is a web app for encryption, encoding, compression, and data analysis. Prior to 11.2.0, the Series Chart operation accepts __proto__ as a key while parsing user-supplied CSV, allowing prototype pollution that can be chained with o…
Exact source revision recorded 27 Oct 2026 15:15:28 UTC. It does not establish the source's current position. Latest evidence.
nvd · CVE-2026-57439
PublishedNVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.
Source analysis status: Deferred
Weakness classifications: CWE-79 · CWE-1321
Original publisher date fields
published: 2026-07-08T16:16:31.280
lastModified: 2026-10-25T20:10:00.147
No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.
Original source record · Cite this exact observation · Complete original publisher JSON