CLEANSTART-2026-EB91153

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    CLEANSTART-2026-EB91153

    Published: 30 Oct 2026Last Modified: 31 Oct 2026
    Upstream:
    CVE-2026-56858

    Summary: Previously, pathological inputs could close an unescaped '/' early, allowing for attack-controlled data to inject arbitrary content, potentially leading to XSS

    Details: Security vulnerability affects the prometheus-pushgateway-fips package. Previously, pathological inputs could close an unescaped '/' early, allowing for attack-controlled data to inject arbitrary content, potentially leading to XSS.

    References: https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-EB91153.json, https://osv.dev/vulnerability/CVE-2026-56858, https://nvd.nist.gov/vuln/detail/CVE-2026-56858

    Affected packages

    Package

    Name: prometheus-pushgateway-fips

    Purl: pkg:apk/cleanstart/prometheus-pushgateway-fips

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.11.3-r1

    Affected versions

    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
    CLEANSTART-2026-EB91153 | CVE-DB