CVE-2026-89090

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    CVE-2026-89090

    Published: 11 Sept 2026Last Modified: 12 Sept 2026

    Summary: Denial of service in the event stream header decoder in AWS SDK for Go v2

    Details: An unrecovered panic in the event stream header decoder in Amazon AWS SDK for Go v2 before release-2026-03-23 might allow an unauthenticated remote actor to terminate the consuming application process via a crafted event stream response frame containing a header value type outside the valid range. To remediate this issue, users should upgrade to release-2026-03-23 or later, and patch any forked or derivative code.

    References: https://aws.amazon.com/security/security-bulletins/2026-110-aws/, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89090.json, https://github.com/aws/aws-sdk-go-v2/releases/tag/release-2026-03-23, https://github.com/aws/aws-sdk-go-v2/security/advisories/GHSA-xmrv-pmrh-hhx2, https://nvd.nist.gov/vuln/detail/CVE-2026-89090

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -ef3322b8de760eec7510b2e3966077f54584d010

    Affected versions

    service/verifiedpermissions/v1.32.0

    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