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CVE-2026-44681

Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to 1.6.12 and 1.7.1, an unauthenticated open redirect in Authlib's OpenIDImplicitGrant and OpenIDHybridGrant authorization endpoint lets a remote attacker cause the authorization server to issue an HTTP 302 to an attacker-chosen URL by submitting an authorization request that omits the openid scope. This vulnerability is fixed in 1.6.12 and 1.7.1.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:099370b42f3fa4b7b847bacb3372c2bc6c843248cb31abbfd54eca8704c72d5c
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-601","description":"CWE-601: URL Redirection to Untrusted Site ('Open Redirect')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3bb491011d551b88faffa87c61e114b3b9a7285c26c141b2e3be40a6e0b09311 · sha256:1fb036e6ecaa1783… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3bb491011d551b88faffa87c61e114b3b9a7285c26c141b2e3be40a6e0b09311 · sha256:1fb036e6ecaa1783… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"authlib","vendor":"authlib","versions":[{"status":"affected","version":"< 1.6.12"},{"status":"affected","version":">= 1.7.0, < 1.7.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3bb491011d551b88faffa87c61e114b3b9a7285c26c141b2e3be40a6e0b09311 · sha256:1fb036e6ecaa1783… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3bb491011d551b88faffa87c61e114b3b9a7285c26c141b2e3be40a6e0b09311 · sha256:1fb036e6ecaa1783… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-601","description":"CWE-601: URL Redirection to Untrusted Site ('Open Redirect')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3bb491011d551b88faffa87c61e114b3b9a7285c26c141b2e3be40a6e0b09311 · sha256:1fb036e6ecaa1783… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3bb491011d551b88faffa87c61e114b3b9a7285c26c141b2e3be40a6e0b09311 · sha256:1fb036e6ecaa1783… · /containers/cna/problemTypes/1/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/authlib/authlib/security/advisories/GHSA-r95x-qfjj-fjj2","tags":["x_refsource_CONFIRM"],"url":"https://github.com/authlib/authlib/security/advisories/GHSA-r95x-qfjj-fjj2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3bb491011d551b88faffa87c61e114b3b9a7285c26c141b2e3be40a6e0b09311 · sha256:1fb036e6ecaa1783… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/authlib/authlib/security/advisories/GHSA-r95x-qfjj-fjj2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3bb491011d551b88faffa87c61e114b3b9a7285c26c141b2e3be40a6e0b09311 · sha256:1fb036e6ecaa1783… · /containers/adp/0/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.

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