CVE-2026-35058
Low
No strong exploitation signal.
CVSS base
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS — probability of exploitation (30 days)
0.5%
44.3th percentile
CISA KEV
Not listed
Weakness / dates
CWE-617
Published 2026-06-08 · modified 2026-08-11
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | L | Low |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | N | None |
| Integrity | N | None |
| Availability | H | High |
Timeline
- 2026-06-08 — Published (NVD)
- 2026-08-11 — Last modified (NVD)
Description
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.
Affected
References
- https://community.openvpn.net/ReleaseHistory#openvpn-2620-released-22-april-2026
- https://community.openvpn.net/ReleaseHistory#openvpn-272-released-22-april-2026
- https://community.openvpn.net/Security%20Announcements/CVE-2026-35058
- exploit https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2381