Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-28802

Authlib is a Python library which builds OAuth and OpenID Connect servers. From version 1.6.5 to before version 1.6.7, previous tests involving passing a malicious JWT containing alg: none and an empty signature was passing the signature verification step without any changes to the application code when a failure was expected.. This issue has been patched in version 1.6.7.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3d07a936737dfc8a131fc71fc2c3dafe7133c5ad8fac922fe30e88e3f3899302
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
3

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 8 assertions

{"product":"authlib","vendor":"authlib","versions":[{"status":"affected","version":">= 1.6.5, < 1.6.7"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/cna/affected/0

{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:quay:3.10::el8"],"defaultStatus":"affected","packageName":"quay/quay-rhel8","product":"Red Hat Quay 3.1","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1773971077","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/affected/1

{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:ansible_automation_platform:2.6::el9"],"defaultStatus":"affected","packageName":"ansible-automation-platform-26/lightspeed-chatbot-rhel9","product":"Red Hat Ansible Automation Platform 2.6","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1774417022","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/affected/0

{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:quay:3.9::el8"],"defaultStatus":"affected","packageName":"quay/quay-rhel8","product":"Red Hat Quay 3.9","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1773936323","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/affected/5

{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:quay:3.16::el9"],"defaultStatus":"affected","packageName":"quay/quay-rhel9","product":"Red Hat Quay 3.16","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1779204086","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/affected/4

{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:quay:3.12::el8"],"defaultStatus":"affected","packageName":"quay/quay-rhel8","product":"Red Hat Quay 3.12","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1773771962","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/affected/2

{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:quay:3.15::el8"],"defaultStatus":"affected","packageName":"quay/quay-rhel8","product":"Red Hat Quay 3.15","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1775169219","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/affected/3

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:satellite:6"],"defaultStatus":"affected","packageName":"satellite/foreman-mcp-server-rhel9","product":"Red Hat Satellite 6","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/affected/6
cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/metrics/1/cvssV3_1
cwe · 2 assertions

{"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:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-347","description":"Improper Verification of Cryptographic Signature","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/problemTypes/0/descriptions/0

Affected products and versions

8 source assertions
{"product":"authlib","vendor":"authlib","versions":[{"status":"affected","version":">= 1.6.5, < 1.6.7"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/cna/affected/0
{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:quay:3.10::el8"],"defaultStatus":"affected","packageName":"quay/quay-rhel8","product":"Red Hat Quay 3.1","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1773971077","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/affected/1
{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:ansible_automation_platform:2.6::el9"],"defaultStatus":"affected","packageName":"ansible-automation-platform-26/lightspeed-chatbot-rhel9","product":"Red Hat Ansible Automation Platform 2.6","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1774417022","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/affected/0
{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:quay:3.9::el8"],"defaultStatus":"affected","packageName":"quay/quay-rhel8","product":"Red Hat Quay 3.9","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1773936323","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/affected/5
{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:quay:3.16::el9"],"defaultStatus":"affected","packageName":"quay/quay-rhel9","product":"Red Hat Quay 3.16","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1779204086","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/affected/4
{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:quay:3.12::el8"],"defaultStatus":"affected","packageName":"quay/quay-rhel8","product":"Red Hat Quay 3.12","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1773771962","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/affected/2
{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:quay:3.15::el8"],"defaultStatus":"affected","packageName":"quay/quay-rhel8","product":"Red Hat Quay 3.15","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1775169219","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/affected/3
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:satellite:6"],"defaultStatus":"affected","packageName":"satellite/foreman-mcp-server-rhel9","product":"Red Hat Satellite 6","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/affected/6

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/metrics/1/cvssV3_1

CWE assertions

2 source assertions
{"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:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-347","description":"Improper Verification of Cryptographic Signature","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/problemTypes/0/descriptions/0

Source references

12 source assertions
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:19375"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/references/6
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:4942"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/references/4
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:5168"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/references/8
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:5665"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/references/7
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:6309"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/references/3
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:6568"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/references/5
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-28802"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/references/0
{"name":"RHBZ#2445120","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2445120"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/references/1
{"name":"https://github.com/authlib/authlib/commit/a61c2acb807496e67f32051b5f1b1d5ccf8f0a75","tags":["x_refsource_MISC"],"url":"https://github.com/authlib/authlib/commit/a61c2acb807496e67f32051b5f1b1d5ccf8f0a75"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/cna/references/1
{"name":"https://github.com/authlib/authlib/commit/b87c32ed07b8ae7f805873e1c9cafd1016761df7","tags":["x_refsource_MISC"],"url":"https://github.com/authlib/authlib/commit/b87c32ed07b8ae7f805873e1c9cafd1016761df7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/cna/references/2
{"name":"https://github.com/authlib/authlib/security/advisories/GHSA-7wc2-qxgw-g8gg","tags":["x_refsource_CONFIRM"],"url":"https://github.com/authlib/authlib/security/advisories/GHSA-7wc2-qxgw-g8gg"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/cna/references/0
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28802.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ac50ea6f8679659f4f92c0ec28a83a83bfc58947bcdf827084912d08e3e8bdd9 · sha256:12214ce9ab5d26ee… · /containers/adp/1/references/2

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