{"items":[{"id":"NVI-00006556","kind":"vulnerability","title":"LTI 1.3 Tool Library's Nonce Claim Value not validated against nonce value sent in Authentication Request before v5.0","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-5p73-qg2v-383h","CVE-2022-31158"],"plain_summary":"OSV carries this publisher advisory for packbackbooks/lti-1-3-php-library. 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 5.0 for packbackbooks/lti-1-3-php-library. Confirm the publisher’s latest guidance.","source_ids":["sr-b9a099811f9c41eec658b889bbda8873"],"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-0b3e48284b47c07788b6450d17f4f4b4"],"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":"2026-11-04T12:03:12.000Z","value":"0.856%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.58517. Missing scores are unknown.","source_id":"sr-0b3e48284b47c07788b6450d17f4f4b4"}],"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-b9a099811f9c41eec658b889bbda8873","url":"https://github.com/advisories/GHSA-5p73-qg2v-383h","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-5p73-qg2v-383h","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.925Z"},{"id":"sr-0b3e48284b47c07788b6450d17f4f4b4","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-2022-31158","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:57:29.219Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b9a099811f9c41eec658b889bbda8873"],"technology":"packbackbooks/lti-1-3-php-library","known_exclusions":[],"conditions_summary":"### Impact\n\nNonce Claim Value was not being validated against the nonce value sent in the Authentication Request.\n\n### Patches\n\nUsers should upgrade to version 5.0 immediately\n\n### Workarounds\n\nNone.\n\n","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.0"]}],"null_published_at":"2026-11-07T14:01:58.750Z","source_updated_at":"2023-11-08T04:09:28.099Z","source_disclosed_at":"2022-07-15T20:55:50.000Z","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":"2026-10-31T21:41:59.925Z"},{"id":"NVI-00006556","kind":"vulnerability","title":"LTI 1.3 Tool Library's Nonce Claim Value not validated against nonce value sent in Authentication Request before v5.0","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-5p73-qg2v-383h","CVE-2022-31158"],"plain_summary":"OSV carries this publisher advisory for packbackbooks/lti-1-3-php-library. 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 5.0 for packbackbooks/lti-1-3-php-library. Confirm the publisher’s latest guidance.","source_ids":["sr-b9a099811f9c41eec658b889bbda8873"],"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-bd0641d861512f2f576a0bb28c001c52"],"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":"0.856%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.5841. Missing scores are unknown.","source_id":"sr-bd0641d861512f2f576a0bb28c001c52"}],"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-b9a099811f9c41eec658b889bbda8873","url":"https://github.com/advisories/GHSA-5p73-qg2v-383h","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-5p73-qg2v-383h","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.925Z"},{"id":"sr-bd0641d861512f2f576a0bb28c001c52","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-2022-31158","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:03.704Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b9a099811f9c41eec658b889bbda8873"],"technology":"packbackbooks/lti-1-3-php-library","known_exclusions":[],"conditions_summary":"### Impact\n\nNonce Claim Value was not being validated against the nonce value sent in the Authentication Request.\n\n### Patches\n\nUsers should upgrade to version 5.0 immediately\n\n### Workarounds\n\nNone.\n\n","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.0"]}],"null_published_at":"2026-11-06T21:03:47.994Z","source_updated_at":"2023-11-08T04:09:28.099Z","source_disclosed_at":"2022-07-15T20:55:50.000Z","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":"2026-10-31T21:41:59.925Z"},{"id":"NVI-00006556","kind":"vulnerability","title":"LTI 1.3 Tool Library's Nonce Claim Value not validated against nonce value sent in Authentication Request before v5.0","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-5p73-qg2v-383h","CVE-2022-31158"],"plain_summary":"OSV carries this publisher advisory for packbackbooks/lti-1-3-php-library. 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 5.0 for packbackbooks/lti-1-3-php-library. Confirm the publisher’s latest guidance.","source_ids":["sr-b9a099811f9c41eec658b889bbda8873"],"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-b9a099811f9c41eec658b889bbda8873","url":"https://github.com/advisories/GHSA-5p73-qg2v-383h","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-5p73-qg2v-383h","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.925Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b9a099811f9c41eec658b889bbda8873"],"technology":"packbackbooks/lti-1-3-php-library","known_exclusions":[],"conditions_summary":"### Impact\n\nNonce Claim Value was not being validated against the nonce value sent in the Authentication Request.\n\n### Patches\n\nUsers should upgrade to version 5.0 immediately\n\n### Workarounds\n\nNone.\n\n","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 5.0"]}],"null_published_at":"2026-10-31T22:13:10.062Z","source_updated_at":"2023-11-08T04:09:28.099Z","source_disclosed_at":"2022-07-15T20:55:50.000Z","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":"2026-10-31T21:41:59.925Z"}],"next_cursor":null,"snapshot_revision":"42594"}