Exploitation evidence
Not listed in the latest downloaded CISA KEV catalog. This does not establish an absence of exploitation.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
Authlib / Authlib
Default status: Not specified
- affected: 1.8.0
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
CVE Program record ↗ · Download tracked evidence as JSON
- https://github.com/authlib/authlib
- https://kb.cert.org/vuls/id/762428
- https://www.kb.cert.org/vuls/id/762428
Monitored source mentions
Shared CVE identifiers link source mentions; they do not establish that the reports describe the same incident.
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.00433,
"percentile": 0.38071
}11 Nov 2026, 18:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"url": "https://www.kb.cert.org/vuls/id/762428"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
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"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-96760",
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},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
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"timestamp": "2026-10-01T13:57:45.534196Z",
"version": "2.0.3"
},
"type": "ssvc"
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}
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"problemTypes": [
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"cweId": "CWE-347",
"description": "CWE-347 Improper Verification of Cryptographic Signature",
"lang": "en",
"type": "CWE"
},
{
"cweId": "CWE-670",
"description": "CWE-670 Always-Incorrect Control Flow Implementation",
"lang": "en",
"type": "CWE"
},
{
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"description": "CWE-358 Improperly Implemented Security Check for Standard",
"lang": "en",
"type": "CWE"
},
{
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"description": "CWE-20 Improper Input Validation",
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}
]
}
],
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"title": "CISA ADP Vulnrichment"
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],
"cna": {
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{
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"vendor": "Authlib",
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{
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],
"descriptions": [
{
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"value": "Authlib (v1.8.0 and below) contains a signature verification bypass vulnerability. The JsonWebSignature.deserialize_json() method accepts a JSON Serialization JWS object and returns the payload as successfully verified without checking for a signature and without requiring a cryptographic key."
}
],
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{
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{
"description": "CWE-670 Always-Incorrect Control Flow Implementation",
"lang": "en"
}
]
},
{
"descriptions": [
{
"description": "CWE-358 Improperly Implemented Security Check for Standard",
"lang": "en"
}
]
},
{
"descriptions": [
{
"description": "CWE-20 Improper Input Validation",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-11-11T15:46:59.138Z",
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},
"references": [
{
"url": "https://github.com/authlib/authlib"
},
{
"url": "https://kb.cert.org/vuls/id/762428"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Authlib library contains a signature‑verification bypass vulnerability",
"x_generator": {
"engine": "VINCE 4.0.2",
"env": "prod",
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},
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"assignerShortName": "certcc",
"cveId": "CVE-2026-96760",
"datePublished": "2026-09-28T19:37:58.973Z",
"dateReserved": "2026-09-23T15:59:27.145Z",
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"state": "PUBLISHED"
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"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.00433,
"percentile": 0.37908
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.00433,
"percentile": 0.37866
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.00433,
"percentile": 0.37849
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.00433,
"percentile": 0.37832
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.00433,
"percentile": 0.37781
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.00433,
"percentile": 0.37759
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.00433,
"percentile": 0.37741
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.00433,
"percentile": 0.37649
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.00433,
"percentile": 0.37601
}03 Nov 2026, 02:22 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
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