{"items":[{"id":"NVI-00011854","kind":"vulnerability","title":"Backstage: Bypass of MkDocs configuration sanitizer in TechDocs backend","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-p75x-jh7p-ppcx","CVE-2026-106505"],"plain_summary":"GitHub lists this reviewed advisory for @backstage/plugin-techdocs-node. 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-81f135c438c88ece4f157efc68c75794"],"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":"2026-10-07T16:23:54.000Z","value":"7.7 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-44fe2a49863e76961a152bff0b91fc39"},{"kind":"CVSS","as_of":"2026-10-09T17:58:21.970Z","value":"7.7 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-831a753df2e1188f4f6a8c9d60aa8df5"},{"kind":"CVSS","as_of":"2026-10-09T17:58:21.970Z","value":"8.5 HIGH (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-831a753df2e1188f4f6a8c9d60aa8df5"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.312%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.24103. 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Null normalizes fields.","title":"GHSA-p75x-jh7p-ppcx","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:46.232Z"},{"id":"sr-831a753df2e1188f4f6a8c9d60aa8df5","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106505","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-106505","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:21.903Z"},{"id":"sr-81f135c438c88ece4f157efc68c75794","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-2026-106505","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.064Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-44fe2a49863e76961a152bff0b91fc39"],"technology":"@backstage/plugin-techdocs-node","known_exclusions":[],"conditions_summary":"### Impact\n\nUsers with the ability to commit changes to a repository that uses TechDocs can circumvent the MkDocs configuration file sanitizer introduced in response to CVE-2026-25153 and execute arbitrary code on the TechDocs backend host during documentation generation.\n\n### Patches\n\nPatched in`@backstage/plugin-techdocs-node` version `1.15.4`\n\n### Workarounds\n\nIf you cannot upgrade immediately:\n\n- Use Docker mode with restricted access: Configure TechDocs with `runIn: docker` instead of `runIn: local`. This provides container isolation, though it does not fully mitigate the risk.\n- Limit repository write access to trusted parties, since exploitation requires the ability to commit files to a repository with TechDocs enabled.\n- Review incoming changes to MkDocs configuration files as part of your code review process.","public_affected_ranges":["< 1.15.4"]}],"null_published_at":"2026-11-08T15:11:49.383Z","source_updated_at":"2026-10-07T16:23:54.000Z","source_disclosed_at":"2026-10-07T16:23:52.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T00:58:46.232Z"},{"id":"NVI-00011854","kind":"vulnerability","title":"Backstage: Bypass of MkDocs configuration sanitizer in TechDocs backend","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-p75x-jh7p-ppcx","CVE-2026-106505"],"plain_summary":"GitHub lists this reviewed advisory for @backstage/plugin-techdocs-node. 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-81f135c438c88ece4f157efc68c75794"],"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":"2026-10-07T16:23:54.000Z","value":"7.7 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-44fe2a49863e76961a152bff0b91fc39"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.312%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.24103. Missing scores are unknown.","source_id":"sr-81f135c438c88ece4f157efc68c75794"}],"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-44fe2a49863e76961a152bff0b91fc39","url":"https://github.com/advisories/GHSA-p75x-jh7p-ppcx","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-p75x-jh7p-ppcx","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:46.232Z"},{"id":"sr-81f135c438c88ece4f157efc68c75794","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-2026-106505","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.064Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-44fe2a49863e76961a152bff0b91fc39"],"technology":"@backstage/plugin-techdocs-node","known_exclusions":[],"conditions_summary":"### Impact\n\nUsers with the ability to commit changes to a repository that uses TechDocs can circumvent the MkDocs configuration file sanitizer introduced in response to CVE-2026-25153 and execute arbitrary code on the TechDocs backend host during documentation generation.\n\n### Patches\n\nPatched in`@backstage/plugin-techdocs-node` version `1.15.4`\n\n### Workarounds\n\nIf you cannot upgrade immediately:\n\n- Use Docker mode with restricted access: Configure TechDocs with `runIn: docker` instead of `runIn: local`. This provides container isolation, though it does not fully mitigate the risk.\n- Limit repository write access to trusted parties, since exploitation requires the ability to commit files to a repository with TechDocs enabled.\n- Review incoming changes to MkDocs configuration files as part of your code review process.","public_affected_ranges":["< 1.15.4"]}],"null_published_at":"2026-11-04T02:53:08.398Z","source_updated_at":"2026-10-07T16:23:54.000Z","source_disclosed_at":"2026-10-07T16:23:52.000Z","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":"2026-11-01T00:58:46.232Z"},{"id":"NVI-00011854","kind":"vulnerability","title":"Backstage: Bypass of MkDocs configuration sanitizer in TechDocs backend","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-p75x-jh7p-ppcx","CVE-2026-106505"],"plain_summary":"GitHub lists this reviewed advisory for @backstage/plugin-techdocs-node. 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-44fe2a49863e76961a152bff0b91fc39"],"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":"2026-10-07T16:23:54.000Z","value":"7.7 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-44fe2a49863e76961a152bff0b91fc39"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. 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This provides container isolation, though it does not fully mitigate the risk.\n- Limit repository write access to trusted parties, since exploitation requires the ability to commit files to a repository with TechDocs enabled.\n- Review incoming changes to MkDocs configuration files as part of your code review process.","public_affected_ranges":["< 1.15.4"]}],"null_published_at":"2026-11-01T01:03:56.610Z","source_updated_at":"2026-10-07T16:23:54.000Z","source_disclosed_at":"2026-10-07T16:23:52.000Z","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":"2026-11-01T00:58:46.232Z"}],"next_cursor":null,"snapshot_revision":"42594"}