CVE-2026-35058
Last modified
CVE-2026-35058 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Openvpn | Openvpn | >= 2.6.0, < 2.6.20 |
| Openvpn | Openvpn | >= 2.7, < 2.7.2 |
References
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2381Exploit, Mitigation, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-35058?
How severe is CVE-2026-35058?
How do I fix CVE-2026-35058?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-35052D-Tale is the combination of a Flask back-end and a React fr…9.8
- CVE-2026-35053OneUptime is an open-source monitoring and observability pla…9.8
- CVE-2026-35054XenForo before 2.3.9 is vulnerable to stored cross-site scri…5.4
- CVE-2026-35055XenForo before 2.3.9 and before 2.2.18 is vulnerable to cros…6.1
- CVE-2026-35056XenForo before 2.3.9 and before 2.2.18 allows remote code ex…8.6
- CVE-2026-35057XenForo before 2.3.10 and before 2.2.19 is vulnerable to sto…5.4
- CVE-2026-3506The WP-Chatbot for Messenger plugin for WordPress is vulnera…5.3
- CVE-2026-35061Anviz CX7 Firmware is vulnerable to the most recently captur…5.3
- CVE-2026-35062An authenticated iControl SOAP user may be able to obtain in…7.1
- CVE-2026-35063OpenPLC_V3 REST API endpoint checks for JWT presence but nev…8.8
- CVE-2026-35064A vulnerability in SenseLive X3050’s management ecosystem al…8.7
- CVE-2026-35065Dell PowerFlex Manager, version(s) prior to 5.1.0.1, contain…8.8
Are you affected by CVE-2026-35058?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST