CVE catalog

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

[CVE catalog]

Severity: Medium · CVSS 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Published: Aug 9, 2026, 10:00:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.23% · Oct 25, 2026

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

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	openvpn	sid	`2.7.8-1`	vulnerable
Debian	openvpn	forky	`2.7.8-1`	vulnerable
Debian	openvpn	trixie	`2.6.14-1+deb13u3`	vulnerable
Debian	openvpn	trixie-security	`2.6.14-1+deb13u3`	vulnerable
Debian	openvpn	bookworm	`2.6.14-0+deb12u2`	vulnerable
Debian	openvpn	bookworm-security	`2.6.14-0+deb12u2`	vulnerable
Suse	openvpn	linux enterprise high performance computing 15 sp4-espos	`2.5.6-150400.3.28.1`	fixed
Suse	openvpn	linux enterprise high performance computing 15 sp4-ltss	`2.5.6-150400.3.28.1`	fixed
Suse	openvpn	linux enterprise high performance computing 15 sp5-espos	`2.5.6-150400.3.28.1`	fixed
Suse	openvpn	linux enterprise high performance computing 15 sp5-ltss	`2.5.6-150400.3.28.1`	fixed
Suse	openvpn	linux enterprise server 15 sp4-ltss	`2.5.6-150400.3.28.1`	fixed
Suse	openvpn	linux enterprise server 15 sp5-ltss	`2.5.6-150400.3.28.1`	fixed
Suse	openvpn	linux enterprise server for sap applications 15 sp4	`2.5.6-150400.3.28.1`	fixed
Suse	openvpn	linux enterprise server for sap applications 15 sp5	`2.5.6-150400.3.28.1`	fixed
Suse	openvpn	linux enterprise module for basesystem 15 sp7	`2.6.10-150600.3.37.1`	fixed
Suse	openvpn-dco	linux enterprise module for basesystem 15 sp7	`2.6.10-150600.3.37.1`	fixed
Suse	openvpn	linux enterprise server 15 sp6-ltss	`2.6.10-150600.3.37.1`	fixed
Suse	openvpn-dco	linux enterprise server 15 sp6-ltss	`2.6.10-150600.3.37.1`	fixed
Suse	openvpn	linux enterprise server for sap applications 15 sp6	`2.6.10-150600.3.37.1`	fixed
Suse	openvpn-dco	linux enterprise server for sap applications 15 sp6	`2.6.10-150600.3.37.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	openvpn	source	sid	`(unfixed)`	unimportant	Not reported	Not reported
Debian	openvpn	source	forky	`(unfixed)`	unimportant	Not reported	Not reported
Debian	openvpn	source	trixie	`(unfixed)`	unimportant	Not reported	Not reported
Debian	openvpn	source	bookworm	`(unfixed)`	unimportant	Not reported	Not reported
Suse	openvpn	rpm	linux enterprise high performance computing 15 sp4-espos	`2.5.6-150400.3.28.1`	Not reported	SUSE-SU-2026:4217-1	Not reported
Suse	openvpn	rpm	linux enterprise high performance computing 15 sp4-ltss	`2.5.6-150400.3.28.1`	Not reported	SUSE-SU-2026:4217-1	Not reported
Suse	openvpn	rpm	linux enterprise high performance computing 15 sp5-espos	`2.5.6-150400.3.28.1`	Not reported	SUSE-SU-2026:4217-1	Not reported
Suse	openvpn	rpm	linux enterprise high performance computing 15 sp5-ltss	`2.5.6-150400.3.28.1`	Not reported	SUSE-SU-2026:4217-1	Not reported
Suse	openvpn	rpm	linux enterprise server 15 sp4-ltss	`2.5.6-150400.3.28.1`	Not reported	SUSE-SU-2026:4217-1	Not reported
Suse	openvpn	rpm	linux enterprise server 15 sp5-ltss	`2.5.6-150400.3.28.1`	Not reported	SUSE-SU-2026:4217-1	Not reported
Suse	openvpn	rpm	linux enterprise server for sap applications 15 sp4	`2.5.6-150400.3.28.1`	Not reported	SUSE-SU-2026:4217-1	Not reported
Suse	openvpn	rpm	linux enterprise server for sap applications 15 sp5	`2.5.6-150400.3.28.1`	Not reported	SUSE-SU-2026:4217-1	Not reported
Suse	openvpn	rpm	linux enterprise module for basesystem 15 sp7	`2.6.10-150600.3.37.1`	Not reported	SUSE-SU-2026:4213-1	Not reported
Suse	openvpn-dco	rpm	linux enterprise module for basesystem 15 sp7	`2.6.10-150600.3.37.1`	Not reported	SUSE-SU-2026:4213-1	Not reported
Suse	openvpn	rpm	linux enterprise server 15 sp6-ltss	`2.6.10-150600.3.37.1`	Not reported	SUSE-SU-2026:4213-1	Not reported
Suse	openvpn-dco	rpm	linux enterprise server 15 sp6-ltss	`2.6.10-150600.3.37.1`	Not reported	SUSE-SU-2026:4213-1	Not reported
Suse	openvpn	rpm	linux enterprise server for sap applications 15 sp6	`2.6.10-150600.3.37.1`	Not reported	SUSE-SU-2026:4213-1	Not reported
Suse	openvpn-dco	rpm	linux enterprise server for sap applications 15 sp6	`2.6.10-150600.3.37.1`	Not reported	SUSE-SU-2026:4213-1	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[openvpn]Affected
Details (4)
- 2.6.14-0+deb12u2 · amd64 · bookworm
  Affected
  nvd · openvpn · debian · bookworm; nvd · openvpn · debian · 12
- 2.6.14-0+deb12u2 · arm64 · bookworm
  Affected
  nvd · openvpn · debian · bookworm; nvd · openvpn · debian · 12
- 2.6.14-0+deb12u2 · amd64 · bookworm-security
  Affected
  nvd · openvpn · debian · bookworm; nvd · openvpn · debian · 12
- 2.6.14-0+deb12u2 · arm64 · bookworm-security
  Affected
  nvd · openvpn · debian · bookworm; nvd · openvpn · debian · 12

[Debian 13 (Trixie)]

[openvpn]Affected
Details (6)
- 2.6.14-1+deb13u3 · amd64 · trixie
  Affected
  nvd · openvpn · debian · 13
- 2.6.14-1+deb13u3 · arm64 · trixie
  Affected
  nvd · openvpn · debian · 13
- 2.7.5-1~bpo13+1 · amd64 · trixie-backports
  Affected
  nvd · openvpn · debian · 13
- 2.7.5-1~bpo13+1 · arm64 · trixie-backports
  Affected
  nvd · openvpn · debian · 13
- 2.6.14-1+deb13u3 · amd64 · trixie-security
  Affected
  nvd · openvpn · debian · 13
- 2.6.14-1+deb13u3 · arm64 · trixie-security
  Affected
  nvd · openvpn · debian · 13

Observed: Oct 27, 2026, 7:10:26 AM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]