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    CVE-2026-39361

    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.

    Published:Apr 7, 2026
    Last Modified:Apr 15, 2026
    EPS:Apr 7, 2026
    EPSS Score:0.00035
    CVSS Score:7.7

    Affected Products

    Vendor
    Openobserve
    Product
    Openobserve

    Exploits

    https://github.com/openobserve/openobserve/security/advisories/GHSA-gcwf-3p7h-wm79https://github.com/openobserve/openobserve/security/advisories/GHSA-gcwf-3p7h-wm79

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    Related CVEs

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    CVE-2024-41809 (CVSS 7.2) — OpenObserve is an open-source observability platform. Starting in version 0.4.4 and prior to version 0.10.0, O…
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    CVE-2024-24830 (CVSS 9.9) — OpenObserve is a observability platform built specifically for logs, metrics, traces, analytics, designed to w…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High