CVE-2026-42462
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Fedify has an LD-Signature Bypass via JSON-LD Named-Graph Restructuring
Fedify is a TypeScript library for building federated server apps powered by ActivityPub. Prior to versions 1.9.11, 1.10.10, 2.0.18, 2.1.14, and 2.2.3, an attacker can make use of JSON-LD features to restructure a JSON-LD document that would change how Fedify interprets it without changing its Linked Data Signature, allowing them to alter a third-party signed activity they have received. Versions 1.9.11, 1.10.10, 2.0.18, 2.1.14, and 2.2.3 fix the issue.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
fedify
- Vendor
- fedify-dev
- Product
- fedify
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| >= 2.2.0, < 2.2.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| >= 2.1.0, < 2.1.14 | affected | Unavailable | Unavailable | Unavailable | None listed |
| >= 2.0.0, < 2.0.18 | affected | Unavailable | Unavailable | Unavailable | None listed |
| >= 1.10.0, < 1.10.10 | affected | Unavailable | Unavailable | Unavailable | None listed |
| < 1.9.11 | affected | Unavailable | Unavailable | Unavailable | None listed |