How severe is CVE-2026-63650?

CVE-2026-63650 has a CVSS 4.0 base score of 2.0, rated low severity.

Is CVE-2026-63650 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-63650?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-63650 published?

CVE-2026-63650 was published on 2026-08-14 and last updated on 2026-08-17.

CVE-2026-63650

CVE-2026-63650 is a low-severity vulnerability with a CVSS 4.0 base score of 2.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-115.

Key facts

Severity: Low (CVSS 4.0 base score 2.0)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-115
Published: 2026-08-14
Last modified: 2026-08-17

Description

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

Frequently asked questions

What is CVE-2026-63650?: 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
How severe is CVE-2026-63650?: CVE-2026-63650 has a CVSS 4.0 base score of 2.0, rated low severity.
Is CVE-2026-63650 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-63650?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-63650 published?: CVE-2026-63650 was published on 2026-08-14 and last updated on 2026-08-17.

References

Other CWE-115 vulnerabilities

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CVE-2020-29510 — Critical (CVSS 9.8): The encoding/xml package in Go versions 1.15 and earlier does not correctly preserve the semantics of directives during…
CVE-2020-29509 — Critical (CVSS 9.8): The encoding/xml package in Go (all versions) does not correctly preserve the semantics of attribute namespace prefixes…
CVE-2023-0880 — High (CVSS 8.3): Misinterpretation of Input in GitHub repository thorsten/phpmyfaq prior to 3.1.11.
CVE-2025-5747 — High (CVSS 8.0): WOLFBOX Level 2 EV Charger MCU Command Parsing Misinterpretation of Input Remote Code Execution Vulnerability. This…

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