{"items":[{"id":"NVI-00009104","kind":"vulnerability","title":"Echo: X-Real-IP extractor trusts the header value instead of the sending peer","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-h53f-rm2w-w7rg","CVE-2026-118265"],"plain_summary":"GitHub lists this reviewed advisory for github.com/labstack/echo/v5. 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-0b147d79190a7939c3107b5749ad6ea0"],"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":"2026-10-28T19:04:05.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-b339dc65b5a9e87c87200cd13f61f0da"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.139%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.03261. Missing scores are unknown.","source_id":"sr-0b147d79190a7939c3107b5749ad6ea0"}],"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-b339dc65b5a9e87c87200cd13f61f0da","url":"https://github.com/advisories/GHSA-h53f-rm2w-w7rg","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-h53f-rm2w-w7rg","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:36.327Z"},{"id":"sr-0b147d79190a7939c3107b5749ad6ea0","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-2026-118265","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.778Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b339dc65b5a9e87c87200cd13f61f0da"],"technology":"github.com/labstack/echo/v5","known_exclusions":[],"conditions_summary":"## Impact\n\nIn Echo v5, `ExtractIPFromRealIPHeader` checked whether the address supplied in `X-Real-IP` belonged to a trusted range instead of checking the address of the direct network peer. An untrusted client could therefore supply a loopback or private address and have it returned by `c.RealIP()` with the extractor's default trust options.\n\nApplications using this extractor for IP allowlists, IP-based rate limiting, audit logs or forwarding headers could accept a spoofed client identity. Exploitation requires that the attacker can reach Echo directly or that an intervening proxy passes through the attacker's `X-Real-IP` value. Applications using the default direct IP extractor are unaffected. Echo v4 is unaffected by this v5 regression.\n\n## Affected versions and patch\n\nAll v5 releases from v5.0.0 through v5.4.0 are affected. Upgrade to v5.4.1.\n\nThe patch validates the direct peer before accepting a syntactically valid `X-Real-IP` value, restoring the v4 trust model. Fix commit.\n\n## Workarounds\n\nUse `ExtractIPDirect` until upgrading, or ensur","public_affected_ranges":[">= 5.0.0, < 5.4.1"]}],"null_published_at":"2026-11-04T10:04:41.582Z","source_updated_at":"2026-10-28T19:04:05.000Z","source_disclosed_at":"2026-10-23T20:50:25.000Z","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":"2026-10-31T21:56:36.327Z"},{"id":"NVI-00009104","kind":"vulnerability","title":"Echo: X-Real-IP extractor trusts the header value instead of the sending peer","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-h53f-rm2w-w7rg","CVE-2026-118265"],"plain_summary":"GitHub lists this reviewed advisory for github.com/labstack/echo/v5. 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-74c96944932b2920a6c03373a8570e26"],"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":"2026-10-28T19:04:05.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-b339dc65b5a9e87c87200cd13f61f0da"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.139%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.03224. Missing scores are unknown.","source_id":"sr-74c96944932b2920a6c03373a8570e26"}],"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-b339dc65b5a9e87c87200cd13f61f0da","url":"https://github.com/advisories/GHSA-h53f-rm2w-w7rg","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-h53f-rm2w-w7rg","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:36.327Z"},{"id":"sr-74c96944932b2920a6c03373a8570e26","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-2026-118265","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.375Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b339dc65b5a9e87c87200cd13f61f0da"],"technology":"github.com/labstack/echo/v5","known_exclusions":[],"conditions_summary":"## Impact\n\nIn Echo v5, `ExtractIPFromRealIPHeader` checked whether the address supplied in `X-Real-IP` belonged to a trusted range instead of checking the address of the direct network peer. An untrusted client could therefore supply a loopback or private address and have it returned by `c.RealIP()` with the extractor's default trust options.\n\nApplications using this extractor for IP allowlists, IP-based rate limiting, audit logs or forwarding headers could accept a spoofed client identity. Exploitation requires that the attacker can reach Echo directly or that an intervening proxy passes through the attacker's `X-Real-IP` value. Applications using the default direct IP extractor are unaffected. Echo v4 is unaffected by this v5 regression.\n\n## Affected versions and patch\n\nAll v5 releases from v5.0.0 through v5.4.0 are affected. Upgrade to v5.4.1.\n\nThe patch validates the direct peer before accepting a syntactically valid `X-Real-IP` value, restoring the v4 trust model. Fix commit.\n\n## Workarounds\n\nUse `ExtractIPDirect` until upgrading, or ensur","public_affected_ranges":[">= 5.0.0, < 5.4.1"]}],"null_published_at":"2026-11-01T19:14:01.599Z","source_updated_at":"2026-10-28T19:04:05.000Z","source_disclosed_at":"2026-10-23T20:50:25.000Z","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":"2026-10-31T21:56:36.327Z"},{"id":"NVI-00009104","kind":"vulnerability","title":"Echo: X-Real-IP extractor trusts the header value instead of the sending peer","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-h53f-rm2w-w7rg","CVE-2026-118265"],"plain_summary":"GitHub lists this reviewed advisory for github.com/labstack/echo/v5. 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-b339dc65b5a9e87c87200cd13f61f0da"],"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":"2026-10-28T19:04:05.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-b339dc65b5a9e87c87200cd13f61f0da"}],"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-b339dc65b5a9e87c87200cd13f61f0da","url":"https://github.com/advisories/GHSA-h53f-rm2w-w7rg","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-h53f-rm2w-w7rg","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:36.327Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b339dc65b5a9e87c87200cd13f61f0da"],"technology":"github.com/labstack/echo/v5","known_exclusions":[],"conditions_summary":"## Impact\n\nIn Echo v5, `ExtractIPFromRealIPHeader` checked whether the address supplied in `X-Real-IP` belonged to a trusted range instead of checking the address of the direct network peer. An untrusted client could therefore supply a loopback or private address and have it returned by `c.RealIP()` with the extractor's default trust options.\n\nApplications using this extractor for IP allowlists, IP-based rate limiting, audit logs or forwarding headers could accept a spoofed client identity. Exploitation requires that the attacker can reach Echo directly or that an intervening proxy passes through the attacker's `X-Real-IP` value. Applications using the default direct IP extractor are unaffected. Echo v4 is unaffected by this v5 regression.\n\n## Affected versions and patch\n\nAll v5 releases from v5.0.0 through v5.4.0 are affected. Upgrade to v5.4.1.\n\nThe patch validates the direct peer before accepting a syntactically valid `X-Real-IP` value, restoring the v4 trust model. Fix commit.\n\n## Workarounds\n\nUse `ExtractIPDirect` until upgrading, or ensur","public_affected_ranges":[">= 5.0.0, < 5.4.1"]}],"null_published_at":"2026-10-31T22:13:31.283Z","source_updated_at":"2026-10-28T19:04:05.000Z","source_disclosed_at":"2026-10-23T20:50:25.000Z","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":"2026-10-31T21:56:36.327Z"}],"next_cursor":null,"snapshot_revision":"42594"}