{"items":[{"id":"NVI-00006308","kind":"vulnerability","title":"SimpleJWT has an Unauthenticated Denial of Service via JWE header tampering","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-xw36-67f8-339x","CVE-2026-33204"],"plain_summary":"OSV carries this publisher advisory for kelvinmo/simplejwt. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 1.1.1 for kelvinmo/simplejwt. Confirm the publisher’s latest guidance.","source_ids":["sr-af98504324346b5c4bbf535ae8b418c7"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-2a7ddf766f78b4040b222630ad5609de"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.489%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.42135. Missing scores are unknown.","source_id":"sr-2a7ddf766f78b4040b222630ad5609de"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-af98504324346b5c4bbf535ae8b418c7","url":"https://github.com/advisories/GHSA-xw36-67f8-339x","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-xw36-67f8-339x","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:51.449Z"},{"id":"sr-2a7ddf766f78b4040b222630ad5609de","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-33204","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.782Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-af98504324346b5c4bbf535ae8b418c7"],"technology":"kelvinmo/simplejwt","known_exclusions":[],"conditions_summary":"## Summary\n\nAn unauthenticated attacker can perform a Denial of Service via JWE header tampering when PBES2 algorithms are used.  \nApplications that call `JWE::decrypt()` on attacker-controlled JWEs using PBES2 algorithms are affected.\n\n## Details\n\nPHP version: `PHP 8.4.11`\nSimpleJWT version: `v1.1.0`\n\nThe relevant portion of the vulnerable implementation is shown below (PBES2.php):\n\n```PHP\n $alg_params */\n    static protected $alg_params = [\n        'PBES2-HS256+A128KW' => ['hash' => 'sha256'],\n        'PBES2-HS384+A192KW' => ['hash' => 'sha384'],\n        'PBES2-HS512+A256KW' => ['hash' => 'sha512']\n    ];\n\n    /** @var truthy-string $hash_alg */\n    protected $hash_alg;\n\n    /** @var int $iterations */\n    protected $iterations = 4096;\n    \n    /* ... SNIP ... */\n\n    /**\n     * Sets the number of iterations to use in PBKFD2 key generation.\n     *\n     * @param int $iterations number of iterations\n  ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.1.1"]}],"null_published_at":"2026-11-08T19:53:33.632Z","source_updated_at":"2026-03-25T19:47:18.395Z","source_disclosed_at":"2026-03-18T20:16:59.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:51.449Z"},{"id":"NVI-00006308","kind":"vulnerability","title":"SimpleJWT has an Unauthenticated Denial of Service via JWE header tampering","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-xw36-67f8-339x","CVE-2026-33204"],"plain_summary":"OSV carries this publisher advisory for kelvinmo/simplejwt. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 1.1.1 for kelvinmo/simplejwt. Confirm the publisher’s latest guidance.","source_ids":["sr-af98504324346b5c4bbf535ae8b418c7"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-12550dd5a8698b5e272713c187838f5a"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.489%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.42081. Missing scores are unknown.","source_id":"sr-12550dd5a8698b5e272713c187838f5a"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-af98504324346b5c4bbf535ae8b418c7","url":"https://github.com/advisories/GHSA-xw36-67f8-339x","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-xw36-67f8-339x","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:51.449Z"},{"id":"sr-12550dd5a8698b5e272713c187838f5a","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-33204","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.850Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-af98504324346b5c4bbf535ae8b418c7"],"technology":"kelvinmo/simplejwt","known_exclusions":[],"conditions_summary":"## Summary\n\nAn unauthenticated attacker can perform a Denial of Service via JWE header tampering when PBES2 algorithms are used.  \nApplications that call `JWE::decrypt()` on attacker-controlled JWEs using PBES2 algorithms are affected.\n\n## Details\n\nPHP version: `PHP 8.4.11`\nSimpleJWT version: `v1.1.0`\n\nThe relevant portion of the vulnerable implementation is shown below (PBES2.php):\n\n```PHP\n $alg_params */\n    static protected $alg_params = [\n        'PBES2-HS256+A128KW' => ['hash' => 'sha256'],\n        'PBES2-HS384+A192KW' => ['hash' => 'sha384'],\n        'PBES2-HS512+A256KW' => ['hash' => 'sha512']\n    ];\n\n    /** @var truthy-string $hash_alg */\n    protected $hash_alg;\n\n    /** @var int $iterations */\n    protected $iterations = 4096;\n    \n    /* ... SNIP ... */\n\n    /**\n     * Sets the number of iterations to use in PBKFD2 key generation.\n     *\n     * @param int $iterations number of iterations\n  ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.1.1"]}],"null_published_at":"2026-11-04T10:04:47.611Z","source_updated_at":"2026-03-25T19:47:18.395Z","source_disclosed_at":"2026-03-18T20:16:59.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:51.449Z"},{"id":"NVI-00006308","kind":"vulnerability","title":"SimpleJWT has an Unauthenticated Denial of Service via JWE header tampering","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-xw36-67f8-339x","CVE-2026-33204"],"plain_summary":"OSV carries this publisher advisory for kelvinmo/simplejwt. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 1.1.1 for kelvinmo/simplejwt. Confirm the publisher’s latest guidance.","source_ids":["sr-af98504324346b5c4bbf535ae8b418c7"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-81bfef2676e047b7c0618d512b8bbd4f"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.489%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.42103. Missing scores are unknown.","source_id":"sr-81bfef2676e047b7c0618d512b8bbd4f"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-af98504324346b5c4bbf535ae8b418c7","url":"https://github.com/advisories/GHSA-xw36-67f8-339x","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-xw36-67f8-339x","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:51.449Z"},{"id":"sr-81bfef2676e047b7c0618d512b8bbd4f","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-33204","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.377Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-af98504324346b5c4bbf535ae8b418c7"],"technology":"kelvinmo/simplejwt","known_exclusions":[],"conditions_summary":"## Summary\n\nAn unauthenticated attacker can perform a Denial of Service via JWE header tampering when PBES2 algorithms are used.  \nApplications that call `JWE::decrypt()` on attacker-controlled JWEs using PBES2 algorithms are affected.\n\n## Details\n\nPHP version: `PHP 8.4.11`\nSimpleJWT version: `v1.1.0`\n\nThe relevant portion of the vulnerable implementation is shown below (PBES2.php):\n\n```PHP\n $alg_params */\n    static protected $alg_params = [\n        'PBES2-HS256+A128KW' => ['hash' => 'sha256'],\n        'PBES2-HS384+A192KW' => ['hash' => 'sha384'],\n        'PBES2-HS512+A256KW' => ['hash' => 'sha512']\n    ];\n\n    /** @var truthy-string $hash_alg */\n    protected $hash_alg;\n\n    /** @var int $iterations */\n    protected $iterations = 4096;\n    \n    /* ... SNIP ... */\n\n    /**\n     * Sets the number of iterations to use in PBKFD2 key generation.\n     *\n     * @param int $iterations number of iterations\n  ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.1.1"]}],"null_published_at":"2026-11-03T02:33:09.084Z","source_updated_at":"2026-03-25T19:47:18.395Z","source_disclosed_at":"2026-03-18T20:16:59.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:51.449Z"},{"id":"NVI-00006308","kind":"vulnerability","title":"SimpleJWT has an Unauthenticated Denial of Service via JWE header tampering","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-xw36-67f8-339x","CVE-2026-33204"],"plain_summary":"OSV carries this publisher advisory for kelvinmo/simplejwt. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 1.1.1 for kelvinmo/simplejwt. Confirm the publisher’s latest guidance.","source_ids":["sr-af98504324346b5c4bbf535ae8b418c7"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-af98504324346b5c4bbf535ae8b418c7","url":"https://github.com/advisories/GHSA-xw36-67f8-339x","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-xw36-67f8-339x","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:51.449Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-af98504324346b5c4bbf535ae8b418c7"],"technology":"kelvinmo/simplejwt","known_exclusions":[],"conditions_summary":"## Summary\n\nAn unauthenticated attacker can perform a Denial of Service via JWE header tampering when PBES2 algorithms are used.  \nApplications that call `JWE::decrypt()` on attacker-controlled JWEs using PBES2 algorithms are affected.\n\n## Details\n\nPHP version: `PHP 8.4.11`\nSimpleJWT version: `v1.1.0`\n\nThe relevant portion of the vulnerable implementation is shown below (PBES2.php):\n\n```PHP\n $alg_params */\n    static protected $alg_params = [\n        'PBES2-HS256+A128KW' => ['hash' => 'sha256'],\n        'PBES2-HS384+A192KW' => ['hash' => 'sha384'],\n        'PBES2-HS512+A256KW' => ['hash' => 'sha512']\n    ];\n\n    /** @var truthy-string $hash_alg */\n    protected $hash_alg;\n\n    /** @var int $iterations */\n    protected $iterations = 4096;\n    \n    /* ... SNIP ... */\n\n    /**\n     * Sets the number of iterations to use in PBKFD2 key generation.\n     *\n     * @param int $iterations number of iterations\n  ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.1.1"]}],"null_published_at":"2026-10-31T22:13:10.049Z","source_updated_at":"2026-03-25T19:47:18.395Z","source_disclosed_at":"2026-03-18T20:16:59.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:42:51.449Z"}],"next_cursor":null,"snapshot_revision":"42594"}