GO-2026-5766

    Dashboard / Vulnerabilities / GO-2026-5766

    GO-2026-5766

    Published: 25 Jun 2026Last Modified: 25 Jun 2026

    Summary: Temporal Server: attacker-controlled namespace could signal, delete, and reset workflows or activities in a victim namespace on the same cluster in go.temporal.io/server

    Details: Temporal Server: attacker-controlled namespace could signal, delete, and reset workflows or activities in a victim namespace on the same cluster in go.temporal.io/server

    References: https://github.com/advisories/GHSA-xpg8-3hhp-p7w8, https://nvd.nist.gov/vuln/detail/CVE-2026-5199, https://github.com/temporalio/temporal/releases/tag/v1.29.5, https://github.com/temporalio/temporal/releases/tag/v1.30.3

    Affected packages

    Package

    Name: go.temporal.io/server

    Purl: pkg:golang/go.temporal.io/server

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -1.29.5

    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
    GO-2026-5766 | CVE-DB