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    166 vulnerabilities found for OpenVPN by Openvpn

    CVE-2026-63650 (GCVE-0-2026-63650)

    Vulnerability from nvd – Published: 2026-08-14 22:13 – Updated: 2026-08-17 15:38
    VLAI
    Summary
    OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-17 15:22 UTC
    CWE
    • CWE-295 - Improper Certificate Validation
    • CWE-115 - Misinterpretation of Input
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.7_alpha1 , < 2.7.6 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-63649 (GCVE-0-2026-63649)

    Vulnerability from nvd – Published: 2026-08-14 22:13 – Updated: 2026-08-17 15:38
    VLAI
    Summary
    The Windows interactive service in OpenVPN 2.4.0 through 2.6.21 and 2.7_alpha1 through 2.7.5 allows local authenticated users to bypass the trusted configuration directory constraint and load arbitrary configuration files via crafted options that bypass whitelist checks
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-17 15:22 UTC
    CWE
    • CWE-183 - Permissive list of allowed inputs
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.4.0 , < 2.6.22 (semver)
    Affected: 2.7_alpha1 , < 2.7.6 (semver)
    Create a notification for this product.
    Date Public
    2026-07-29 16:00
    Show details on NVD website

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    CVE-2026-13379 (GCVE-0-2026-13379)

    Vulnerability from nvd – Published: 2026-07-30 16:28 – Updated: 2026-07-30 18:09
    VLAI
    Summary
    The Windows interactive service in OpenVPN 2.7_alpha1 through 2.7.4 allows remote attackers to cause persistent DNS state pollution or a service crash via a crafted search domain during the disconnection process
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-30 18:09 UTC
    CWE
    • CWE-142 - Improper neutralization of value delimiters
    • CWE-125 - Out-of-bounds read
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-13117 (GCVE-0-2026-13117)

    Vulnerability from nvd – Published: 2026-07-30 16:32 – Updated: 2026-07-30 18:08
    VLAI
    Summary
    An incomplete guard in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to trigger a use-after-free during TLS session promotion, potentially leading to a denial of service or memory leakage
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-30 18:08 UTC
    CWE
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.6.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-12996 (GCVE-0-2026-12996)

    Vulnerability from nvd – Published: 2026-07-30 16:38 – Updated: 2026-07-30 18:07
    VLAI
    Summary
    A use-after-free in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-30 18:06 UTC
    CWE
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.6.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-12932 (GCVE-0-2026-12932)

    Vulnerability from nvd – Published: 2026-07-30 16:42 – Updated: 2026-07-30 18:05
    VLAI
    Summary
    A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service (memory exhaustion) via a flood of crafted packets
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-30 18:05 UTC
    CWE
    • CWE-401 - Missing release of memory after effective lifetime
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.5.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-11771 (GCVE-0-2026-11771)

    Vulnerability from nvd – Published: 2026-07-30 16:36 – Updated: 2026-07-30 18:04
    VLAI
    Summary
    OpenVPN version 2.1.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows attackers via an off-by-one buffer write in the NTLM proxy authentication to potentially cause a crash via a crafted NTLM response from a malicious proxy server
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-30 18:04 UTC
    CWE
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.1.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-13122 (GCVE-0-2026-13122)

    Vulnerability from nvd – Published: 2026-07-06 14:32 – Updated: 2026-07-06 15:51
    VLAI
    Summary
    OpenVPN version 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service via a malformed authentication token that triggers a reachable assertion when external-auth is enabled
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-06 15:51 UTC
    CWE
    References
    Impacted products
    Vendor Product Version
    Openvpn OpenVPN Affected: 2.6.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-13698 (GCVE-0-2026-13698)

    Vulnerability from nvd – Published: 2026-07-06 14:13 – Updated: 2026-07-06 15:28
    VLAI
    Summary
    A memory leak in OpenVPN version 2.5.0 through 2.5.11, 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a denial of service
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-06 15:28 UTC
    CWE
    • CWE-401 - Missing release of memory after effective lifetime
    • CWE-770 - Allocation of resources without limits or throttling
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.5.0 , ≤ 2.5.11 (semver)
    Affected: 2.6.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-11604 (GCVE-0-2026-11604)

    Vulnerability from nvd – Published: 2026-06-10 21:04 – Updated: 2026-06-11 13:27
    VLAI
    Summary
    An incorrect buffer size calculation in the epoch key generator in OpenVPN ovpn-dco-win version 2.0.0 through 2.8.3 allows a remote authenticated peer to trigger a heap-based buffer overflow and kernel memory corruption via a crafted data packet, resulting in a system crash (denial of service).
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-06-11 13:26 UTC
    CWE
    • CWE-131 - Incorrect calculation of buffer size
    • CWE-122 - Heap-based buffer overflow
    • CWE-787 - Out-of-bounds write
    Impacted products
    Vendor Product Version
    OpenVPN ovpn-dco-win Affected: 2.0.0 , ≤ 2.5.8 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-40215 (GCVE-0-2026-40215)

    Vulnerability from nvd – Published: 2026-06-08 19:59 – Updated: 2026-06-16 12:24
    VLAI
    Summary
    A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-06-16 12:24 UTC
    CWE
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.6.0 , ≤ 2.6.19 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.1 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-35058 (GCVE-0-2026-35058)

    Vulnerability from nvd – Published: 2026-06-08 19:29 – Updated: 2026-06-08 19:49
    VLAI
    Summary
    Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-06-08 19:49 UTC
    CWE
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.6.0 , ≤ 2.6.19 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.1 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2025-15497 (GCVE-0-2025-15497)

    Vulnerability from nvd – Published: 2026-01-30 18:06 – Updated: 2026-01-30 19:29
    VLAI
    Summary
    Insufficient epoch key slot processing in OpenVPN 2.7_alpha1 through 2.7_rc5 allows remote authenticated users to trigger an assert resulting in a denial of service
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-01-30 19:29 UTC
    CWE
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.7_alpha1 , ≤ 2.7_rc5 (semver)
        cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2025-13086 (GCVE-0-2025-13086)

    Vulnerability from nvd – Published: 2025-12-03 19:54 – Updated: 2025-12-12 13:50
    VLAI
    Summary
    Improper validation of source IP addresses in OpenVPN version 2.6.0 through 2.6.15 and 2.7_alpha1 through 2.7_rc1 allows an attacker to open a session from a different IP address which did not initiate the connection resulting in a denial of service for the originating client
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-12-03 21:48 UTC
    CWE
    • CWE-940 - Improper Verification of Source of a Communication Channel
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.6.0 , ≤ 2.6.15 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7_rc1 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2025-13751 (GCVE-0-2025-13751)

    Vulnerability from nvd – Published: 2025-12-03 16:22 – Updated: 2025-12-12 13:56
    VLAI
    Summary
    Interactive service agent in OpenVPN version 2.5.0 through 2.6.16 and 2.7_alpha1 through 2.7_rc2 on Windows allows a local authenticated user to connect to the service and trigger an error causing a local denial of service.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-12-03 16:32 UTC
    CWE
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    • CWE-775 - Missing Release of File Descriptor or Handle after Effective Lifetime
    • CWE-841 - Improper Enforcement of Behavioral Workflow
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.5.0 , ≤ 2.6.16 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7_rc2 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-63650 (GCVE-0-2026-63650)

    Vulnerability from cvelistv5 – Published: 2026-08-14 22:13 – Updated: 2026-08-17 15:38
    VLAI
    Summary
    OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-17 15:22 UTC
    CWE
    • CWE-295 - Improper Certificate Validation
    • CWE-115 - Misinterpretation of Input
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.7_alpha1 , < 2.7.6 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-63649 (GCVE-0-2026-63649)

    Vulnerability from cvelistv5 – Published: 2026-08-14 22:13 – Updated: 2026-08-17 15:38
    VLAI
    Summary
    The Windows interactive service in OpenVPN 2.4.0 through 2.6.21 and 2.7_alpha1 through 2.7.5 allows local authenticated users to bypass the trusted configuration directory constraint and load arbitrary configuration files via crafted options that bypass whitelist checks
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-17 15:22 UTC
    CWE
    • CWE-183 - Permissive list of allowed inputs
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.4.0 , < 2.6.22 (semver)
    Affected: 2.7_alpha1 , < 2.7.6 (semver)
    Create a notification for this product.
    Date Public
    2026-07-29 16:00
    Show details on NVD website

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    CVE-2026-12932 (GCVE-0-2026-12932)

    Vulnerability from cvelistv5 – Published: 2026-07-30 16:42 – Updated: 2026-07-30 18:05
    VLAI
    Summary
    A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service (memory exhaustion) via a flood of crafted packets
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-30 18:05 UTC
    CWE
    • CWE-401 - Missing release of memory after effective lifetime
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.5.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-12996 (GCVE-0-2026-12996)

    Vulnerability from cvelistv5 – Published: 2026-07-30 16:38 – Updated: 2026-07-30 18:07
    VLAI
    Summary
    A use-after-free in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-30 18:06 UTC
    CWE
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.6.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-11771 (GCVE-0-2026-11771)

    Vulnerability from cvelistv5 – Published: 2026-07-30 16:36 – Updated: 2026-07-30 18:04
    VLAI
    Summary
    OpenVPN version 2.1.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows attackers via an off-by-one buffer write in the NTLM proxy authentication to potentially cause a crash via a crafted NTLM response from a malicious proxy server
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-30 18:04 UTC
    CWE
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.1.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-13117 (GCVE-0-2026-13117)

    Vulnerability from cvelistv5 – Published: 2026-07-30 16:32 – Updated: 2026-07-30 18:08
    VLAI
    Summary
    An incomplete guard in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to trigger a use-after-free during TLS session promotion, potentially leading to a denial of service or memory leakage
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-30 18:08 UTC
    CWE
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.6.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-13379 (GCVE-0-2026-13379)

    Vulnerability from cvelistv5 – Published: 2026-07-30 16:28 – Updated: 2026-07-30 18:09
    VLAI
    Summary
    The Windows interactive service in OpenVPN 2.7_alpha1 through 2.7.4 allows remote attackers to cause persistent DNS state pollution or a service crash via a crafted search domain during the disconnection process
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-30 18:09 UTC
    CWE
    • CWE-142 - Improper neutralization of value delimiters
    • CWE-125 - Out-of-bounds read
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-13122 (GCVE-0-2026-13122)

    Vulnerability from cvelistv5 – Published: 2026-07-06 14:32 – Updated: 2026-07-06 15:51
    VLAI
    Summary
    OpenVPN version 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service via a malformed authentication token that triggers a reachable assertion when external-auth is enabled
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-06 15:51 UTC
    CWE
    References
    Impacted products
    Vendor Product Version
    Openvpn OpenVPN Affected: 2.6.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-13698 (GCVE-0-2026-13698)

    Vulnerability from cvelistv5 – Published: 2026-07-06 14:13 – Updated: 2026-07-06 15:28
    VLAI
    Summary
    A memory leak in OpenVPN version 2.5.0 through 2.5.11, 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a denial of service
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-07-06 15:28 UTC
    CWE
    • CWE-401 - Missing release of memory after effective lifetime
    • CWE-770 - Allocation of resources without limits or throttling
    References
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.5.0 , ≤ 2.5.11 (semver)
    Affected: 2.6.0 , ≤ 2.6.20 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.4 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-11604 (GCVE-0-2026-11604)

    Vulnerability from cvelistv5 – Published: 2026-06-10 21:04 – Updated: 2026-06-11 13:27
    VLAI
    Summary
    An incorrect buffer size calculation in the epoch key generator in OpenVPN ovpn-dco-win version 2.0.0 through 2.8.3 allows a remote authenticated peer to trigger a heap-based buffer overflow and kernel memory corruption via a crafted data packet, resulting in a system crash (denial of service).
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-06-11 13:26 UTC
    CWE
    • CWE-131 - Incorrect calculation of buffer size
    • CWE-122 - Heap-based buffer overflow
    • CWE-787 - Out-of-bounds write
    Impacted products
    Vendor Product Version
    OpenVPN ovpn-dco-win Affected: 2.0.0 , ≤ 2.5.8 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-40215 (GCVE-0-2026-40215)

    Vulnerability from cvelistv5 – Published: 2026-06-08 19:59 – Updated: 2026-06-16 12:24
    VLAI
    Summary
    A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-06-16 12:24 UTC
    CWE
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.6.0 , ≤ 2.6.19 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.1 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2026-35058 (GCVE-0-2026-35058)

    Vulnerability from cvelistv5 – Published: 2026-06-08 19:29 – Updated: 2026-06-08 19:49
    VLAI
    Summary
    Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-06-08 19:49 UTC
    CWE
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.6.0 , ≤ 2.6.19 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7.1 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2025-15497 (GCVE-0-2025-15497)

    Vulnerability from cvelistv5 – Published: 2026-01-30 18:06 – Updated: 2026-01-30 19:29
    VLAI
    Summary
    Insufficient epoch key slot processing in OpenVPN 2.7_alpha1 through 2.7_rc5 allows remote authenticated users to trigger an assert resulting in a denial of service
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-01-30 19:29 UTC
    CWE
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.7_alpha1 , ≤ 2.7_rc5 (semver)
        cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*
    Create a notification for this product.
    Show details on NVD website

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    CVE-2025-13086 (GCVE-0-2025-13086)

    Vulnerability from cvelistv5 – Published: 2025-12-03 19:54 – Updated: 2025-12-12 13:50
    VLAI
    Summary
    Improper validation of source IP addresses in OpenVPN version 2.6.0 through 2.6.15 and 2.7_alpha1 through 2.7_rc1 allows an attacker to open a session from a different IP address which did not initiate the connection resulting in a denial of service for the originating client
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-12-03 21:48 UTC
    CWE
    • CWE-940 - Improper Verification of Source of a Communication Channel
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.6.0 , ≤ 2.6.15 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7_rc1 (semver)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2025-13751 (GCVE-0-2025-13751)

    Vulnerability from cvelistv5 – Published: 2025-12-03 16:22 – Updated: 2025-12-12 13:56
    VLAI
    Summary
    Interactive service agent in OpenVPN version 2.5.0 through 2.6.16 and 2.7_alpha1 through 2.7_rc2 on Windows allows a local authenticated user to connect to the service and trigger an error causing a local denial of service.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2025-12-03 16:32 UTC
    CWE
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    • CWE-775 - Missing Release of File Descriptor or Handle after Effective Lifetime
    • CWE-841 - Improper Enforcement of Behavioral Workflow
    Impacted products
    Vendor Product Version
    OpenVPN OpenVPN Affected: 2.5.0 , ≤ 2.6.16 (semver)
    Affected: 2.7_alpha1 , ≤ 2.7_rc2 (semver)
    Create a notification for this product.
    Show details on NVD website

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                  "content": {
                    "id": "CVE-2025-13751",
                    "options": [
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                        "Exploitation": "none"
                      },
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                        "Automatable": "no"
                      },
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                        "Technical Impact": "partial"
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                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-12-03T16:32:17.086600Z",
                    "version": "2.0.3"
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              "value": "Interactive service agent in OpenVPN version 2.5.0 through 2.6.16 and 2.7_alpha1 through 2.7_rc2 on Windows allows a local authenticated user to connect to the service and trigger an error causing a local denial of service."
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                "Recovery": "NOT_DEFINED",
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                  "cweId": "CWE-841",
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          "providerMetadata": {
            "dateUpdated": "2025-12-12T13:56:20.684Z",
            "orgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e",
            "shortName": "OpenVPN"
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              "tags": [
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              "url": "https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00153.html"
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          "source": {
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        "dateReserved": "2025-11-26T16:51:49.203Z",
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