CVE-2026-34950: Use of a Broken or Risky Cryptographic Algorithm
| Reporter | Title | Published | Views | Family All 21 |
|---|---|---|---|---|
 | CVE-2026-34950 | 2 Apr 202608:53 | – | circl |
 | Fast-JWT encryption issue vulnerability | 6 Apr 202600:00 | – | cnnvd |
 | CVE-2026-34950 | 6 Apr 202615:54 | – | cve |
 | CVE-2026-34950 fast-jwt has an incomplete fix for CVE-2023-48223: JWT Algorithm Confusion via Whitespace-Prefixed RSA Public Key | 6 Apr 202615:54 | – | cvelist |
 | EUVD-2026-19356 | 6 Apr 202615:54 | – | euvd |
 | fast-jwt: Incomplete fix for CVE-2023-48223: JWT Algorithm Confusion via Whitespace-Prefixed RSA Public Key | 2 Apr 202620:37 | – | github |
| fast-jwt: Incomplete patch of CVE-2026-34950: Non-whitespace key-prefix re-enables RSA→HS256 algorithm confusion | 8 Oct 202622:02 | – | github |
 | CVE-2026-34950 | 6 Apr 202615:54 | – | mend |
 | CVE-2026-34950 | 6 Apr 202616:16 | – | nvd |
 | GHSA-MVF2-F6GM-W987 fast-jwt: Incomplete fix for CVE-2023-48223: JWT Algorithm Confusion via Whitespace-Prefixed RSA Public Key | 2 Apr 202620:37 | – | osv_ghsa |
10
| Source | Link |
|---|---|
| nvd | www.nvd.nist.gov/vuln/detail/CVE-2026-34950 |
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22 Apr 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.19.1
EPSS0.00274
SSVC