{"id":"CVE-2026-39361","aliases":["EUVD-2026-19869","GHSA-gcwf-3p7h-wm79"],"status":"published","title":"OpenObserve has a SSRF Protection Bypass via IPv6 Bracket Notation in validate_enrichment_url","description":"OpenObserve is a cloud-native observability platform. In 0.70.3 and earlier, the validate_enrichment_url function in src/handler/http/request/enrichment_table/mod.rs fails to block IPv6 addresses because Rust's url crate returns them with surrounding brackets (e.g. \"[::1]\" not \"::1\"). An authenticated attacker can reach internal services blocked from external access. On cloud deployments this enables retrieval of IAM credentials via AWS IMDSv1 (169.254.169.254), GCP metadata, or Azure IMDS. On self-hosted deployments it allows probing internal network services.","severity":{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0027,"percentile":0.19354,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2026-04-07T19:02:12Z","modified":"2026-10-28T02:30:22Z","products":[{"vendor":"openobserve","product":"openobserve"}],"references":[{"url":"https://github.com/openobserve/openobserve/security/advisories/GHSA-gcwf-3p7h-wm79","tags":["x_refsource_CONFIRM","exploit","Exploit","Mitigation","Vendor Advisory","advisory"]},{"url":"https://github.com/openobserve/openobserve/commit/d1a5d8f65b432e2e82f83231390dec7f107e8d75","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/39xxx/CVE-2026-39361.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39361","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-39361","title":"OpenObserve has a SSRF Protection Bypass via IPv6 Bracket Notation in validate_enrichment_url","description":"OpenObserve is a cloud-native observability platform. In 0.70.3 and earlier, the validate_enrichment_url function in src/handler/http/request/enrichment_table/mod.rs fails to block IPv6 addresses because Rust's url crate returns them with surrounding brackets (e.g. \"[::1]\" not \"::1\"). An authenticated attacker can reach internal services blocked from external access. On cloud deployments this enables retrieval of IAM credentials via AWS IMDSv1 (169.254.169.254), GCP metadata, or Azure IMDS. On self-hosted deployments it allows probing internal network services.","status":"published","published":"2026-04-07T19:02:12.816Z","modified":"2026-04-09T16:17:46.139Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:20:03.081354Z"}],"euvd":[{"id":"EUVD-2026-19869","description":"OpenObserve is a cloud-native observability platform. In 0.70.3 and earlier, the validate_enrichment_url function in src/handler/http/request/enrichment_table/mod.rs fails to block IPv6 addresses because Rust's url crate returns them with surrounding brackets (e.g. \"[::1]\" not \"::1\"). An authenticated attacker can reach internal services blocked from external access. On cloud deployments this enables retrieval of IAM credentials via AWS IMDSv1 (169.254.169.254), GCP metadata, or Azure IMDS. On self-hosted deployments it allows probing internal network services.","status":"published","published":"2026-04-07T19:02:12Z","modified":"2026-04-09T16:17:46Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T19:24:30.741683Z"}],"nvd":[{"id":"CVE-2026-39361","description":"OpenObserve is a cloud-native observability platform. In 0.70.3 and earlier, the validate_enrichment_url function in src/handler/http/request/enrichment_table/mod.rs fails to block IPv6 addresses because Rust's url crate returns them with surrounding brackets (e.g. \"[::1]\" not \"::1\"). An authenticated attacker can reach internal services blocked from external access. On cloud deployments this enables retrieval of IAM credentials via AWS IMDSv1 (169.254.169.254), GCP metadata, or Azure IMDS. On self-hosted deployments it allows probing internal network services.","status":"published","published":"2026-04-07T20:16:29.837Z","modified":"2026-10-06T22:10:00.247Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:12:13.535987Z"}],"osv":[{"id":"CVE-2026-39361","title":"OpenObserve has a SSRF Protection Bypass via IPv6 Bracket Notation in validate_enrichment_url","description":"OpenObserve is a cloud-native observability platform. In 0.70.3 and earlier, the validate_enrichment_url function in src/handler/http/request/enrichment_table/mod.rs fails to block IPv6 addresses because Rust's url crate returns them with surrounding brackets (e.g. \"[::1]\" not \"::1\"). An authenticated attacker can reach internal services blocked from external access. On cloud deployments this enables retrieval of IAM credentials via AWS IMDSv1 (169.254.169.254), GCP metadata, or Azure IMDS. On self-hosted deployments it allows probing internal network services.","status":"published","published":"2026-04-07T19:02:12.816Z","modified":"2026-10-28T02:30:22.996608817Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:45:03.040464Z"}]}}