CVE-2021-41271

    Dashboard / Vulnerabilities / CVE-2021-41271

    CVE-2021-41271

    Published: 15 Nov 2021Last Modified: 9 Jul 2026

    Summary:

    Details: Discourse is a platform for community discussion. In affected versions a maliciously crafted request could cause an error response to be cached by intermediate proxies. This could cause a loss of confidentiality for some content. This issue is patched in the latest stable, beta and tests-passed versions of Discourse.

    References: https://github.com/discourse/discourse/security/advisories/GHSA-hf6r-mc9j-hf4p, https://github.com/discourse/discourse/commit/2da0001965c6d8632d723c46ea5df9f22a1a23f1

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    2.8.0-beta1
    2.8.0-beta2
    2.8.0-beta3
    2.8.0-beta4
    2.8.0-beta5
    2.8.0-beta6
    2.8.0-beta7

    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-2021-41271 | CVE-DB