CVE-2026-85586
Last modified
CVE-2026-85586 is a medium-severity vulnerability rated 6.9/10 on the CVSS scale. phpMyFAQ versions before 4.1.8 fail to validate CAPTCHA when the store parameter is set to 'now' in question submission requests. Unauthenticated attackers can bypass CAPTCHA protection and submit unlimited questions directly, causing database pollution and triggering outgoing mail notifications..
Description
phpMyFAQ versions before 4.1.8 fail to validate CAPTCHA when the store parameter is set to 'now' in question submission requests. Unauthenticated attackers can bypass CAPTCHA protection and submit unlimited questions directly, causing database pollution and triggering outgoing mail notifications.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| thorsten | phpMyFAQ | < 4.1.8 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-85586?
How severe is CVE-2026-85586?
How do I fix CVE-2026-85586?
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-2026-85580SiYuan versions before v3.8.2 contain a path guard bypass vu…6.5
- CVE-2026-85581SiYuan before v3.8.2 contains a denial of service vulnerabil…7.5
- CVE-2026-85582SiYuan versions before v3.8.2 contain an unbounded session c…6.5
- CVE-2026-85583SiYuan versions before v3.8.2 contain a path traversal vulne…6.5
- CVE-2026-85584SiYuan versions before v3.8.2 contain a denial of service vu…7.5
- CVE-2026-85585SiYuan before v3.8.2 contains an unbounded resource consumpt…7.5
- CVE-2026-85587phpMyFAQ before 4.1.8 enforces incorrect permission checks o…5.3
- CVE-2026-85588phpMyFAQ versions before 4.1.8 include live TOTP shared secr…5.3
- CVE-2026-85589phpMyFAQ before 4.2.0-alpha.2 contains a missing authorizati…5.3
- CVE-2026-8559Integer overflow in Internationalization in Google Chrome on…4.3
- CVE-2026-85590phpMyFAQ before 4.1.8 contains an authentication bypass vuln…7.1
- CVE-2026-85591phpMyFAQ versions before 4.1.8 contain an authentication byp…7.1
Are you affected by CVE-2026-85586?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
