CVE-2026-67855
Last modified
CVE-2026-67855 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. open62541 contains a heap use-after-free in the GDS PushManagement certificate update workflow when UA_ENABLE_GDS_PUSHMANAGEMENT is enabled. This allows a remote attacker to cause a denial of service.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.
Description
open62541 contains a heap use-after-free in the GDS PushManagement certificate update workflow when UA_ENABLE_GDS_PUSHMANAGEMENT is enabled. This allows a remote attacker to cause a denial of service.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| — | — | n/a |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-67855?
How severe is CVE-2026-67855?
How do I fix CVE-2026-67855?
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-2026-6781Denial-of-service in the Audio/Video: Playback component. Th…7.5
- CVE-2026-6782Information disclosure in the IP Protection component. This …7.5
- CVE-2026-67822Tenda W6-S 1.0.0.4(510) contains a stack-based buffer overfl…9.8
- CVE-2026-6783Incorrect boundary conditions, integer overflow in the Audio…5.3
- CVE-2026-6784Memory safety bugs present in Firefox 149 and Thunderbird 14…7.5
- CVE-2026-6785Memory safety bugs present in Firefox ESR 115.34, Firefox ES…7.5
- CVE-2026-67856An issue in open62541 v.1.5.5 and before allows a remote att…7.5
- CVE-2026-67857open62541 1.5.5 contains an out-of-bounds read in the client…7.5
- CVE-2026-67858Buffer Overflow vulnerability exists in open62541 1.5.5 when…7.5
- CVE-2026-67859Buffer Overflow vulnerability in open62541 v1.5.5 allows a r…7.5
- CVE-2026-6786Memory safety bugs present in Firefox ESR 140.9, Thunderbird…7.5
- CVE-2026-67860open62541 1.5.5 contains a heap-based buffer overflow in the…7.5
Are you affected by CVE-2026-67855?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST