Vulnerability · Published Feb 19, 2026 · Assigned by OpenVPN
CVE-2026-2738
Medium 5.6
In plain English
A medium-severity security flaw in ovpn-dco-win from OpenVPN. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS 4.0)5.6Medium
Exploit odds (30 days)0.1%top 97.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Buffer overflow in ovpn‑dco‑win version 2.8.0 allows local attackers to cause a system crash by sending too large packets to the remote peer when the AEAD tag appears at the end of the encrypted packet
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OpenVPN | ovpn-dco-win | 2.8.0 |
Weakness: CWE-131 · Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:P