CVE-2026-39361— OpenObserve has a SSRF Protection Bypass via IPv6 Bracket Notation in validate_enrichment_url
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I. Basic Information for CVE-2026-39361
Vulnerability Information
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Vulnerability Title
OpenObserve has a SSRF Protection Bypass via IPv6 Bracket Notation in validate_enrichment_url
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenObserve 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenObserve是OpenObserve开源的一个云原生可观察性平台。 OpenObserve 0.70.3及之前版本存在代码问题漏洞，该漏洞源于IPv6地址验证失败，可能导致经过身份验证的攻击者访问内部服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| openobserve | openobserve | <= 0.70.3 | - |
II. Public POCs for CVE-2026-39361
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
Qwen3.6-35B-A3B · 7560 chars
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III. Intelligence Information for CVE-2026-39361
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IV. Related Vulnerabilities
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OpenObserve's Invite Token Lifecycle Misconfiguration - CVE-2025-64744
OpenObserve Vulnerable to HTML Injection in Organization Inv - CVE-2024-55954
OpenObserve Improper Authorization Allows Admin User to Remo - CVE-2024-41809
OpenObserve Cross-site Scripting (XSS) vulnerability in `ope - CVE-2024-41808
OpenObserve stored XSS vulnerability may lead to complete ac
Same weakness: CWE-918
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V. Comments for CVE-2026-39361
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