CVE-2026-55165 Lemur : JWT verifier trusts attacker-supplied alg from token header — defense-in-depth gap; chain-dependent ATO with secret disclosure
| Reporter | Title | Published | Views | Family All 11 |
|---|---|---|---|---|
 | CVE-2026-55165 | 26 Jun 202600:35 | – | circl |
 | CVE-2026-55165 | 18 Aug 202618:49 | – | cve |
 | Lemur: JWT verifier honors attacker-supplied alg, enabling ATO | 25 Jun 202622:05 | – | github |
 | CVE-2026-55165 | 18 Aug 202619:16 | – | nvd |
 | GHSA-R9GP-7F88-9R54 Lemur: JWT verifier honors attacker-supplied alg, enabling ATO | 25 Jun 202622:05 | – | osv |
| PYSEC-2026-2589 Lemur: JWT verifier honors attacker-supplied alg, enabling ATO | 13 Jul 202615:46 | – | osv |
 | PT-2026-52656 | 25 Jun 202600:00 | – | ptsecurity |
| PT-2026-59244 | 13 Jul 202600:00 | – | ptsecurity |
 | Lemur: JWT verifier honors attacker-supplied alg, enabling ATO | 13 Jul 202615:46 | – | pypa |
 | Improper Verification of Cryptographic Signature | 25 Jun 202622:05 | – | snyk |
10
[
{
"vendor": "Netflix",
"product": "lemur",
"versions": [
{
"version": "< 1.9.2",
"status": "affected"
}
]
}
]Data
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18 Aug 2026 18:49Current
CVSS 3.14.8