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CVE-2026-58649

CVE-2026-58649 · .NET Information Disclosure Vulnerability

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Origin validation error in .NET allows an unauthorized attacker to disclose information over a network.

CVSS 6.5 · Medium · EPSS 0.4% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • .net 10.0

    Versions
    • ≥ 10.0.0, < 10.0.111, 10.0.400: Affected (custom)

    Update to 10.0.111, 10.0.400

  • .net 11.0

    Versions
    • ≥ 11.0.0, < 11.0 RC1: Affected (custom)

    No fix published

  • .net 8.0

    Versions
    • ≥ 8.0.0, < 8.0.130, 8.0.424: Affected (custom)

    Update to 8.0.130, 8.0.424

  • .net 9.0

    Versions
    • ≥ 9.0.0, < 9.0.120, 9.0.317: Affected (custom)

    Update to 9.0.120, 9.0.317

  • microsoft visual studio 2022 version 17.14

    Versions
    • ≥ 17.14.0, < 17.14.40: Affected (custom)

    Update to 17.14.40

  • microsoft visual studio 2026 version 18.9

    Versions
    • ≥ 18.9.0, < 18.9.3: Affected (custom)

    Update to 18.9.3

  • dotnet6 Ubuntu:22.04:LTS

    Versions
    • 6.0.108-0ubuntu1~22.04.1
    • 6.0.109-0ubuntu1~22.04.1
    • 6.0.110-0ubuntu1~22.04.1
    • 6.0.111-0ubuntu1~22.04.1
    • 6.0.113-0ubuntu1~22.04.1
    • 6.0.116-0ubuntu1~22.04.1
    • 6.0.118-0ubuntu1~22.04.1
    • 6.0.119-0ubuntu1~22.04.1
    • 6.0.120-0ubuntu1~22.04.1
    • 6.0.121-0ubuntu1~22.04.1
    • 6.0.122-0ubuntu1~22.04.1
    • 6.0.123-0ubuntu1~22.04.1
    • 6.0.124-0ubuntu1~22.04.1
    • 6.0.125-0ubuntu1~22.04.1
    • 6.0.126-0ubuntu1~22.04.1
    • 6.0.127-0ubuntu1~22.04.1
    • 6.0.128-0ubuntu1~22.04.2
    • 6.0.132-0ubuntu1~22.04.1
    • 6.0.133-0ubuntu1~22.04.1
    • 6.0.135-0ubuntu1~22.04.1
    • 6.0.136-0ubuntu1~22.04.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • dotnet7 Ubuntu:22.04:LTS

    Versions
    • 7.0.105-0ubuntu1~22.04.1
    • 7.0.107-0ubuntu1~22.04.1
    • 7.0.108-0ubuntu1~22.04.1
    • 7.0.109-0ubuntu1~22.04.1
    • 7.0.110-0ubuntu1~22.04.1
    • 7.0.111-0ubuntu1~22.04.1
    • 7.0.112-0ubuntu1~22.04.1
    • 7.0.113-0ubuntu1~22.04.1
    • 7.0.114-0ubuntu1~22.04.1
    • 7.0.115-0ubuntu1~22.04.1
    • 7.0.116-0ubuntu1~22.04.1
    • 7.0.117-0ubuntu1~22.04.1
    • 7.0.117-0ubuntu1~22.04.2
    • 7.0.119-0ubuntu1~22.04.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • dotnet8 Ubuntu:22.04:LTS

    Versions
    • 8.0.102-8.0.2-0ubuntu1~22.04.1
    • 8.0.103-8.0.3-0ubuntu1~22.04.1
    • 8.0.103-8.0.3-0ubuntu1~22.04.2
    • 8.0.105-8.0.5-0ubuntu1~22.04.1
    • 8.0.107-8.0.7-0ubuntu1~22.04.1
    • 8.0.108-8.0.8-0ubuntu1~22.04.1
    • 8.0.110-8.0.10-0ubuntu1~22.04.1
    • 8.0.111-8.0.11-0ubuntu1~22.04.1
    • 8.0.112-8.0.12-0ubuntu1~22.04.1
    • 8.0.114-8.0.14-0ubuntu1~22.04.1
    • 8.0.115-8.0.15-0ubuntu1~22.04.1
    • 8.0.116-8.0.16-0ubuntu1~22.04.1
    • 8.0.117-8.0.17-0ubuntu1~22.04.1
    • 8.0.118-8.0.18-0ubuntu1~22.04.1
    • 8.0.119-8.0.19-0ubuntu1~22.04.1
    • 8.0.120-8.0.20-0ubuntu1~22.04.1
    • 8.0.121-8.0.21-0ubuntu1~22.04.1
    • 8.0.122-8.0.22-0ubuntu1~22.04.1
    • 8.0.123-8.0.23-0ubuntu1~22.04.1
    • 8.0.124-8.0.24-0ubuntu1~22.04.1
    • 8.0.125-8.0.25-0ubuntu1~22.04.1
    • 8.0.126-8.0.26-0ubuntu1~22.04.1
    • 8.0.127-8.0.27-0ubuntu1~22.04.1
    • 8.0.128-8.0.28-0ubuntu1~22.04.1
    • 8.0.129-8.0.29-0ubuntu1~22.04.1
    • 8.0.130-8.0.30-0ubuntu1~22.04.1
    Affected ranges
    • ECOSYSTEM: < 8.0.131-8.0.31-0ubuntu1~22.04.1

    Update to 8.0.131-8.0.31-0ubuntu1~22.04.1

  • dotnet10 Ubuntu:24.04:LTS

    Versions
    • 10.0.100-10.0.0-0ubuntu1~24.04.1
    • 10.0.101-10.0.1-0ubuntu1~24.04.2
    • 10.0.103-10.0.3-0ubuntu1~24.04.1
    • 10.0.104-10.0.4-0ubuntu1~24.04.1
    • 10.0.105-10.0.5-0ubuntu1~24.04.1
    • 10.0.106-10.0.6-0ubuntu1~24.04.1
    • 10.0.107-10.0.7-0ubuntu1~24.04.1
    • 10.0.108-10.0.8-0ubuntu1~24.04.1
    • 10.0.109-10.0.9-0ubuntu1~24.04.1
    • 10.0.110-10.0.10-0ubuntu1~24.04.1
    • 10.0.111-10.0.11-0ubuntu1~24.04.1
    Affected ranges
    • ECOSYSTEM: < 10.0.112-10.0.12-0ubuntu1~24.04.1

    Update to 10.0.112-10.0.12-0ubuntu1~24.04.1

  • dotnet8 Ubuntu:24.04:LTS

    Versions
    • 8.0.100-8.0.0~rc1-0ubuntu1
    • 8.0.100-8.0.0~rc2-0ubuntu1
    • 8.0.100-8.0.0~rc2-0ubuntu2
    • 8.0.100-8.0.0-0ubuntu1
    • 8.0.100-8.0.0-0ubuntu2
    • 8.0.101-8.0.1-0ubuntu1
    • 8.0.101-8.0.1-0ubuntu2
    • 8.0.102-8.0.2-0ubuntu1
    • 8.0.103-8.0.3-0ubuntu2
    • 8.0.103-8.0.3-0ubuntu3
    • 8.0.104-8.0.4-0ubuntu1
    • 8.0.105-8.0.5-0ubuntu1~24.04.1
    • 8.0.107-8.0.7-0ubuntu1~24.04.1
    • 8.0.108-8.0.8-0ubuntu1~24.04.1
    • 8.0.108-8.0.8-0ubuntu1~24.04.2
    • 8.0.110-8.0.10-0ubuntu1~24.04.1
    • 8.0.111-8.0.11-0ubuntu1~24.04.1
    • 8.0.112-8.0.12-0ubuntu1~24.04.1
    • 8.0.114-8.0.14-0ubuntu1~24.04.1
    • 8.0.115-8.0.15-0ubuntu1~24.04.1
    • 8.0.116-8.0.16-0ubuntu1~24.04.1
    • 8.0.117-8.0.17-0ubuntu1~24.04.1
    • 8.0.118-8.0.18-0ubuntu1~24.04.1
    • 8.0.119-8.0.19-0ubuntu1~24.04.1
    • 8.0.120-8.0.20-0ubuntu1~24.04.1
    • 8.0.121-8.0.21-0ubuntu1~24.04.1
    • 8.0.122-8.0.22-0ubuntu1~24.04.1
    • 8.0.123-8.0.23-0ubuntu1~24.04.1
    • 8.0.124-8.0.24-0ubuntu1~24.04.1
    • 8.0.125-8.0.25-0ubuntu1~24.04.1
    • 8.0.126-8.0.26-0ubuntu1~24.04.1
    • 8.0.127-8.0.27-0ubuntu1~24.04.1
    • 8.0.128-8.0.28-0ubuntu1~24.04.1
    • 8.0.129-8.0.29-0ubuntu1~24.04.1
    • 8.0.130-8.0.30-0ubuntu1~24.04.1
    Affected ranges
    • ECOSYSTEM: < 8.0.131-8.0.31-0ubuntu1~24.04.1

    Update to 8.0.131-8.0.31-0ubuntu1~24.04.1

  • dotnet10 Ubuntu:26.04:LTS

    Versions
    • 10.0.100-10.0.0~rc1-0ubuntu1
    • 10.0.100-10.0.0~rc2-0ubuntu1
    • 10.0.100-10.0.0-0ubuntu1
    • 10.0.100-10.0.0-0ubuntu2
    • 10.0.101-10.0.1-0ubuntu1
    • 10.0.101-10.0.1-0ubuntu2
    • 10.0.101-10.0.1-0ubuntu3
    • 10.0.102-10.0.2-0ubuntu1
    • 10.0.103-10.0.3-0ubuntu1
    • 10.0.104-10.0.4-0ubuntu1
    • 10.0.105-10.0.5-0ubuntu1
    • 10.0.107-10.0.7-0ubuntu1~26.04.1
    • 10.0.108-10.0.8-0ubuntu1~26.04.1
    • 10.0.109-10.0.9-0ubuntu1~26.04.1
    • 10.0.110-10.0.10-0ubuntu1~26.04.1
    • 10.0.111-10.0.11-0ubuntu1~26.04.1
    Affected ranges
    • ECOSYSTEM: < 10.0.112-10.0.12-0ubuntu1~26.04.1

    Update to 10.0.112-10.0.12-0ubuntu1~26.04.1

Original sources

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