{"items":[{"id":"NVI-00016198","kind":"vulnerability","title":"Gogs has DoS in rendering issue index pattern","revision":2,"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-4j89-2c4f-44c6","CVE-2026-52796"],"plain_summary":"GitHub lists this reviewed advisory for gogs.io/gogs. 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-44aafe53c990f43ed45055de98edbb69"],"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":"2026-07-21T13:17:06.000Z","value":"3.5 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-43c1a74f55d14b18198ef35becba023d"},{"kind":"CVSS","as_of":"2026-06-25T21:16:27.133Z","value":"3.5 LOW (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-44aafe53c990f43ed45055de98edbb69"}],"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-43c1a74f55d14b18198ef35becba023d","url":"https://github.com/advisories/GHSA-4j89-2c4f-44c6","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-4j89-2c4f-44c6","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T22:35:18.117Z"},{"id":"sr-44aafe53c990f43ed45055de98edbb69","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52796","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-52796","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-08T01:47:57.993Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-43c1a74f55d14b18198ef35becba023d"],"technology":"gogs.io/gogs","known_exclusions":[],"conditions_summary":"### Summary\nSpecial template of issue index pattern may cause panic.\n\n### Details\n\nin internal/markup/markup.go\n\n```go\nlink = fmt.Sprintf(`%s`, com.Expand(metas[\"format\"], metas), m)\n```\n\nIssue index pattern is rendered to link with `com.Expand`.\n\nHowever, `com.Expand` is not safe.\n\n```go\ni = strings.Index(template, \"}\")\nif s, ok := match[template[:i]]; ok {\n```\n\nwhen `{` is found but `}` not found, i comes to 1, template[:-1] will be called, and then panicked\n\n!image\n\nfinally, all pages than contains issue index are unavailable.\n\n### PoC\n\n1. set issue index pattern as follow\n\n!image\n\n2. add a commit which point to an issue in its msg\n\n!image\n\nusing `#1` above\n\n### Impact\n\nDoS that cause part of pages of the specify repo unavailable.","public_affected_ranges":["<= 0.14.2"]}],"null_published_at":"2026-11-08T19:53:44.053Z","source_updated_at":"2026-07-21T13:17:06.000Z","source_disclosed_at":"2026-06-22T23:58:17.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-03T22:35:18.117Z"},{"id":"NVI-00016198","kind":"vulnerability","title":"Gogs has DoS in rendering issue index pattern","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4j89-2c4f-44c6","CVE-2026-52796"],"plain_summary":"GitHub lists this reviewed advisory for gogs.io/gogs. 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-43c1a74f55d14b18198ef35becba023d"],"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":"2026-07-21T13:17:06.000Z","value":"3.5 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-43c1a74f55d14b18198ef35becba023d"}],"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-43c1a74f55d14b18198ef35becba023d","url":"https://github.com/advisories/GHSA-4j89-2c4f-44c6","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-4j89-2c4f-44c6","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T22:35:18.117Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-43c1a74f55d14b18198ef35becba023d"],"technology":"gogs.io/gogs","known_exclusions":[],"conditions_summary":"### Summary\nSpecial template of issue index pattern may cause panic.\n\n### Details\n\nin internal/markup/markup.go\n\n```go\nlink = fmt.Sprintf(`%s`, com.Expand(metas[\"format\"], metas), m)\n```\n\nIssue index pattern is rendered to link with `com.Expand`.\n\nHowever, `com.Expand` is not safe.\n\n```go\ni = strings.Index(template, \"}\")\nif s, ok := match[template[:i]]; ok {\n```\n\nwhen `{` is found but `}` not found, i comes to 1, template[:-1] will be called, and then panicked\n\n!image\n\nfinally, all pages than contains issue index are unavailable.\n\n### PoC\n\n1. set issue index pattern as follow\n\n!image\n\n2. add a commit which point to an issue in its msg\n\n!image\n\nusing `#1` above\n\n### Impact\n\nDoS that cause part of pages of the specify repo unavailable.","public_affected_ranges":["<= 0.14.2"]}],"null_published_at":"2026-11-04T10:04:27.904Z","source_updated_at":"2026-07-21T13:17:06.000Z","source_disclosed_at":"2026-06-22T23:58:17.000Z","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":"2026-11-03T22:35:18.117Z"}],"next_cursor":null,"snapshot_revision":"42594"}