{"items":[{"id":"NVI-00011979","kind":"vulnerability","title":"PyJWT accepts inconsistent OKP x/d JWKs, causing public/private key identity confusion","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-x33g-cr3x-6449","CVE-2026-102275"],"plain_summary":"GitHub lists this reviewed advisory for PyJWT. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-5a3fff828efcda541978079e175a52e8"],"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":"CVSS","as_of":"2026-10-05T23:44:05.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-778334f31be64cb41a1534635c62acdf"},{"kind":"CVSS","as_of":"2026-10-06T18:17:51.113Z","value":"6.5 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-485e145130cf29239ee904f8a00e7f88"},{"kind":"CVSS","as_of":"2026-10-06T18:17:51.113Z","value":"8.2 HIGH (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-485e145130cf29239ee904f8a00e7f88"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.167%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.05937. Missing scores are unknown.","source_id":"sr-5a3fff828efcda541978079e175a52e8"}],"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-778334f31be64cb41a1534635c62acdf","url":"https://github.com/advisories/GHSA-x33g-cr3x-6449","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-x33g-cr3x-6449","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"},{"id":"sr-485e145130cf29239ee904f8a00e7f88","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102275","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-102275","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:04.487Z"},{"id":"sr-5a3fff828efcda541978079e175a52e8","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-2026-102275","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.063Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-778334f31be64cb41a1534635c62acdf"],"technology":"PyJWT","known_exclusions":[],"conditions_summary":"### Summary\n\nPyJWT accepts internally inconsistent OKP private JWKs where the declared public key `x` does not correspond to the supplied private key `d`.\n\nWhen `d` is present, `OKPAlgorithm.from_jwk()` constructs the Ed25519/Ed448 private key from `d` without verifying that the public key derived from `d` matches `x`. As a result, the original JWK can contain one public key identity while PyJWT performs cryptographic operations using a different key.\n\nIn affected DPoP integrations, this can allow a stolen sender-constrained access token to be used without possession of the legitimate holder's private key.\n\n### Details\n\nThe vulnerable logic is in `jwt/algorithms.py`:\n\n```python\nif \"x\" not in obj:\n    raise InvalidKeyError('OKP should have \"x\" parameter')\n\nx = base64url_decode(obj.get(\"x\"))\n\nif \"d\" not in obj:\n    if curve == \"Ed25519\":\n        return Ed25519PublicKey.from_public_bytes(x)\n    return Ed448PublicKey.from_public_bytes(x)\n\nd = base64url_decode(obj.get(\"d\"))\n\nif curve == \"Ed25519\":\n    return Ed25519PrivateKey.from_private_bytes(d)\n\nreturn Ed448PrivateKey.from_private_bytes(d)\n```\n\nWhen `d` is present, `x` is parsed but never compared with the public key derived from `d`","public_affected_ranges":[">= 2.1.0, <= 2.14.0"]}],"null_published_at":"2026-11-05T19:10:23.238Z","source_updated_at":"2026-10-05T23:44:05.000Z","source_disclosed_at":"2026-10-05T23:44:03.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T00:59:16.959Z"},{"id":"NVI-00011979","kind":"vulnerability","title":"PyJWT accepts inconsistent OKP x/d JWKs, causing public/private key identity confusion","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-x33g-cr3x-6449","CVE-2026-102275"],"plain_summary":"GitHub lists this reviewed advisory for PyJWT. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-5a3fff828efcda541978079e175a52e8"],"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":"CVSS","as_of":"2026-10-05T23:44:05.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-778334f31be64cb41a1534635c62acdf"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.167%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.05937. Missing scores are unknown.","source_id":"sr-5a3fff828efcda541978079e175a52e8"}],"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-778334f31be64cb41a1534635c62acdf","url":"https://github.com/advisories/GHSA-x33g-cr3x-6449","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-x33g-cr3x-6449","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"},{"id":"sr-5a3fff828efcda541978079e175a52e8","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-2026-102275","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.063Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-778334f31be64cb41a1534635c62acdf"],"technology":"PyJWT","known_exclusions":[],"conditions_summary":"### Summary\n\nPyJWT accepts internally inconsistent OKP private JWKs where the declared public key `x` does not correspond to the supplied private key `d`.\n\nWhen `d` is present, `OKPAlgorithm.from_jwk()` constructs the Ed25519/Ed448 private key from `d` without verifying that the public key derived from `d` matches `x`. As a result, the original JWK can contain one public key identity while PyJWT performs cryptographic operations using a different key.\n\nIn affected DPoP integrations, this can allow a stolen sender-constrained access token to be used without possession of the legitimate holder's private key.\n\n### Details\n\nThe vulnerable logic is in `jwt/algorithms.py`:\n\n```python\nif \"x\" not in obj:\n    raise InvalidKeyError('OKP should have \"x\" parameter')\n\nx = base64url_decode(obj.get(\"x\"))\n\nif \"d\" not in obj:\n    if curve == \"Ed25519\":\n        return Ed25519PublicKey.from_public_bytes(x)\n    return Ed448PublicKey.from_public_bytes(x)\n\nd = base64url_decode(obj.get(\"d\"))\n\nif curve == \"Ed25519\":\n    return Ed25519PrivateKey.from_private_bytes(d)\n\nreturn Ed448PrivateKey.from_private_bytes(d)\n```\n\nWhen `d` is present, `x` is parsed but never compared with the public key derived from `d`","public_affected_ranges":[">= 2.1.0, <= 2.14.0"]}],"null_published_at":"2026-11-01T22:58:19.130Z","source_updated_at":"2026-10-05T23:44:05.000Z","source_disclosed_at":"2026-10-05T23:44:03.000Z","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":"2026-11-01T00:59:16.959Z"},{"id":"NVI-00011979","kind":"vulnerability","title":"PyJWT accepts inconsistent OKP x/d JWKs, causing public/private key identity confusion","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-x33g-cr3x-6449","CVE-2026-102275"],"plain_summary":"GitHub lists this reviewed advisory for PyJWT. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-778334f31be64cb41a1534635c62acdf"],"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":"CVSS","as_of":"2026-10-05T23:44:05.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-778334f31be64cb41a1534635c62acdf"}],"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-778334f31be64cb41a1534635c62acdf","url":"https://github.com/advisories/GHSA-x33g-cr3x-6449","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-x33g-cr3x-6449","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-778334f31be64cb41a1534635c62acdf"],"technology":"PyJWT","known_exclusions":[],"conditions_summary":"### Summary\n\nPyJWT accepts internally inconsistent OKP private JWKs where the declared public key `x` does not correspond to the supplied private key `d`.\n\nWhen `d` is present, `OKPAlgorithm.from_jwk()` constructs the Ed25519/Ed448 private key from `d` without verifying that the public key derived from `d` matches `x`. As a result, the original JWK can contain one public key identity while PyJWT performs cryptographic operations using a different key.\n\nIn affected DPoP integrations, this can allow a stolen sender-constrained access token to be used without possession of the legitimate holder's private key.\n\n### Details\n\nThe vulnerable logic is in `jwt/algorithms.py`:\n\n```python\nif \"x\" not in obj:\n    raise InvalidKeyError('OKP should have \"x\" parameter')\n\nx = base64url_decode(obj.get(\"x\"))\n\nif \"d\" not in obj:\n    if curve == \"Ed25519\":\n        return Ed25519PublicKey.from_public_bytes(x)\n    return Ed448PublicKey.from_public_bytes(x)\n\nd = base64url_decode(obj.get(\"d\"))\n\nif curve == \"Ed25519\":\n    return Ed25519PrivateKey.from_private_bytes(d)\n\nreturn Ed448PrivateKey.from_private_bytes(d)\n```\n\nWhen `d` is present, `x` is parsed but never compared with the public key derived from `d`","public_affected_ranges":[">= 2.1.0, <= 2.14.0"]}],"null_published_at":"2026-11-01T01:03:56.619Z","source_updated_at":"2026-10-05T23:44:05.000Z","source_disclosed_at":"2026-10-05T23:44:03.000Z","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":"2026-11-01T00:59:16.959Z"}],"next_cursor":null,"snapshot_revision":"42594"}