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        "cveId": "CVE-2026-53776",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-06-10T20:14:32.825Z",
        "datePublished": "2026-06-16T15:18:53.658Z",
        "dateUpdated": "2026-07-14T21:33:40.958Z"
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            "title": "Perry < 0.5.1166 JWT Expiration Bypass via verify_decode",
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                    "lang": "en",
                    "value": "Perry before 0.5.1166 contains a JWT validation vulnerability that allows remote attackers to bypass token expiration by exploiting the unconditional setting of validate_exp = false in the verify_decode helper within the stdlib JWT verification path. Attackers in possession of a previously issued bearer token can present expired tokens to any jwt.verify() call and retain authenticated access indefinitely, bypassing force-expired sessions such as user logout or administrative revocation."
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            "datePublic": "2026-06-14T00:00:00.000Z",
            "problemTypes": [
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                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-613",
                            "description": "Insufficient Session Expiration",
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                            "versionType": "semver",
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                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "HIGH",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
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                        "scope": "UNCHANGED",
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            "references": [
                {
                    "url": "https://github.com/PerryTS/perry/releases/v0.5.1166",
                    "tags": [
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                    ]
                },
                {
                    "url": "https://github.com/PerryTS/perry/security/advisories/GHSA-5324-c68v-8w62",
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                {
                    "lang": "en",
                    "value": "Katriel Moses",
                    "type": "finder"
                },
                {
                    "lang": "en",
                    "value": "VulnCheck",
                    "type": "finder"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "x_generator": {
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        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-06-16T17:04:20.295770Z",
                                "id": "CVE-2026-53776",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
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                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
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