CVE-2026-86735

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    CVE-2026-86735

    Published: 8 Sept 2026Last Modified: 11 Sept 2026

    Summary: snipe-it before 8.7.0 SSRF via IPv6 transition address bypass

    Details: snipe-it versions before 8.7.0 contain a server-side request forgery vulnerability in the ExternalUrl validation rule that fails to detect IPv6 transition addresses encoding private IPv4 targets. Attackers with super-admin privileges can configure webhook URLs using NAT64, 6to4, or Teredo transition addresses to bypass SSRF guards and access internal services or cloud metadata endpoints.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86735.json, https://github.com/grokability/snipe-it/security/advisories/GHSA-5j6m-rr83-rpj7, https://nvd.nist.gov/vuln/detail/CVE-2026-86735, https://www.vulncheck.com/advisories/snipe-it-before-8.7.0-ssrf-via-ipv6-transition-address-bypass

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -1d05a7ce11e6bf9448c067ac3ffbe5e63882888e

    Affected versions

    v8.4.0

    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
    CVE-2026-86735 | CVE-DB