CVE-2026-109364
Last modified
CVE-2026-109364 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Zebra 2.3.0 before 6.4.0 contains a protection mechanism failure that allows unauthenticated peers to evade bans because bans and misbehavior scores are keyed on exact IP addresses. Attackers can reconnect from fresh IPv6 addresses in their /64 allocation or flush the 20,000-entry FIFO ban list to restore access for banned peers.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
Description
Zebra 2.3.0 before 6.4.0 contains a protection mechanism failure that allows unauthenticated peers to evade bans because bans and misbehavior scores are keyed on exact IP addresses. Attackers can reconnect from fresh IPv6 addresses in their /64 allocation or flush the 20,000-entry FIFO ban list to restore access for banned peers.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| ZcashFoundation | zebra | >= 2.3.0, < 6.4.0 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-109364?
How severe is CVE-2026-109364?
How do I fix CVE-2026-109364?
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-2026-109359Contrast 1.8.0 before 1.24.1 contains an improper verificati…7.7
- CVE-2026-10936Type Confusion in V8 in Google Chrome prior to 149.0.7827.53…8.8
- CVE-2026-109360MONAI 0.4.0 before 1.6.1 contains a remote code execution vu…7.5
- CVE-2026-109361MONAI 1.2.0 before 1.6.1 contains an insecure deserializatio…7.3
- CVE-2026-109362Heym v0.0.5 before v0.0.113 contains a broken access control…5.4
- CVE-2026-109363ZcashFoundation Zebra 6.4.0 before 6.4.2 parses version 6 tr…7.5
- CVE-2026-109365Zebra before 6.4.0 contains an uncontrolled resource consump…3.7
- CVE-2026-109366Zebra before 6.4.0 contains an improper integrity validation…3.7
- CVE-2026-10937Inappropriate implementation in Passwords in Google Chrome p…6.5
- CVE-2026-109371ZITADEL 3.0.0 before 4.18.0 contains a missing authenticatio…8.2
- CVE-2026-109372ZITADEL 4.x before 4.19.2 and 3.x through 3.4.15 contains an…8.7
- CVE-2026-109373ZITADEL 3.0.0 before 4.19.2 contains an authentication bypas…8.1
Are you affected by CVE-2026-109364?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST