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CVE-2026-63650: openvpn Misinterpretation of Input

CVSS: 2.0v4.0LowAwaiting analysis
AliasesUBUNTU-CVE-2026-63650DEBIAN-CVE-2026-63650
Published 14-08-2026Last modified 17-08-2026
Open JSON

Vulnerability summary

CVE-2026-63650 is a low (CVSS 2.0) Misinterpretation of Input vulnerability in openvpn. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.9% of scored vulnerabilities.

Overall risk
8/100
0100
Minimal · default modelHow is this calculated?
CVSS score
2.0/10
010
Low · v4.0 (CVE.org)
EPSS score
0.36%
0%100%
Low · +0.14 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 4 · Related 4
OPENSUSE-SU-2026:22072-1SUSE-SU-2026:24220-1SUSE-SU-2026:4213-1SUSE-SU-2026:4217-1

Timeline

  1. 14-08-2026
    PublishedVulnerability first disclosed.
  2. 17-08-2026
    Last modifiedVulnerability information updated.

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

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.36%

Chance of exploitation in the next 30 days

Percentile

29%

Versus all other CVEs

30-day change

+0.14 pp

From 0.23% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.36%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • openvpnAll versions (No fix recorded)
Openvpn1 product
Ubuntu1 product
  • openvpnAll versions (No fix recorded)

3 vendors · 3 products

References

5 links