CVE-2026-116166
Last modified
CVE-2026-116166 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. SiYuan 3.6.0 before 3.8.7 accepts and persists the networkServeTLS setting but never enforces it, so the kernel port keeps serving full API access over plain HTTP alongside HTTPS. Network-adjacent attackers can sniff the cleartext login flow and session cookie, which lacks the Secure attribute while responses omit HSTS, to hijack kernel API sessions..
Description
SiYuan 3.6.0 before 3.8.7 accepts and persists the networkServeTLS setting but never enforces it, so the kernel port keeps serving full API access over plain HTTP alongside HTTPS. Network-adjacent attackers can sniff the cleartext login flow and session cookie, which lacks the Secure attribute while responses omit HSTS, to hijack kernel API sessions.
Metrics
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-116166?
How severe is CVE-2026-116166?
How do I fix CVE-2026-116166?
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-2026-116160ImageMagick before 6.9.13-58 and 7.x before 7.1.2-33 contain…3.3
- CVE-2026-116161Parse Server before 8.6.103 and 9.0.0 before 9.10.5-alpha.4 …6
- CVE-2026-116162Parse Server before 8.6.104 and 9.0.0 before 9.10.5-alpha.5 …2.1
- CVE-2026-116163Parse Server before 8.6.102 and 9.0.0 before 9.10.5-alpha.2 …7.4
- CVE-2026-116164Parse Server before 8.6.100 and 9.0.0 before 9.10.4-alpha.3 …6.3
- CVE-2026-116165Parse Server before 8.6.101 and 9.0.0 before 9.10.4-alpha.4 …8.8
- CVE-2026-116167SiYuan from 2.9.0 before 3.8.7 contains a cross-site scripti…6.8
- CVE-2026-116168SiYuan before 3.8.7 contains a path traversal vulnerability …6.2
- CVE-2026-116169SiYuan from 2.10.0 before 3.8.7 contains a stored cross-site…5.4
- CVE-2026-11617Tanium addressed a compression bomb vulnerability in Finding…3.1
- CVE-2026-116170SiYuan before v3.8.7 contains an sql injection vulnerability…4.9
- CVE-2026-116171SiYuan 3.5.4 before 3.8.7 on Windows contains a sensitive-pa…7.5
Are you affected by CVE-2026-116166?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST