Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-34240

JOSE is a Javascript Object Signing and Encryption (JOSE) library. Prior to version 0.3.5+1, a vulnerability in jose could allow an unauthenticated, remote attacker to forge valid JWS/JWT tokens by using a key embedded in the JOSE header (jwk). The vulnerability exists because key selection could treat header-provided jwk as a verification candidate even when that key was not present in the trusted key store. Since JOSE headers are untrusted input, an attacker could exploit this by creating a to
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:49a96feb3ffee1fbd93d9c54518131efa831414a03bd159cc74b1d6e26cf340a
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"jose","vendor":"appsup-dart","versions":[{"status":"affected","version":"< 0.3.5+1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:958b51a8e9539fd934223a637ffe14079b165780c71696cd2c79d16a5be4085c · sha256:5cc9e626333f6857… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:958b51a8e9539fd934223a637ffe14079b165780c71696cd2c79d16a5be4085c · sha256:5cc9e626333f6857… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-347","description":"CWE-347: Improper Verification of Cryptographic Signature","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:958b51a8e9539fd934223a637ffe14079b165780c71696cd2c79d16a5be4085c · sha256:5cc9e626333f6857… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/appsup-dart/jose/commit/b07799aac1f56a9a21483feac026272aab30cc5d","tags":["x_refsource_MISC"],"url":"https://github.com/appsup-dart/jose/commit/b07799aac1f56a9a21483feac026272aab30cc5d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:958b51a8e9539fd934223a637ffe14079b165780c71696cd2c79d16a5be4085c · sha256:5cc9e626333f6857… · /containers/cna/references/1
{"name":"https://github.com/appsup-dart/jose/security/advisories/GHSA-vm9r-h74p-hg97","tags":["x_refsource_CONFIRM"],"url":"https://github.com/appsup-dart/jose/security/advisories/GHSA-vm9r-h74p-hg97"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:958b51a8e9539fd934223a637ffe14079b165780c71696cd2c79d16a5be4085c · sha256:5cc9e626333f6857… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

← Back to CVE Explorer