CVE-2026-22660
Last modified
CVE-2026-22660 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. FlaskBB through 2.2.0, fixed in commit a5da9a5, contains a logic flaw vulnerability that allows authenticated administrators to delete all built-in authorization groups by exploiting a type mismatch in the bulk delete protection check. The bulk AJAX endpoint in the management views compares received JSON integer group IDs against string literals, causing the protection check to always pass, which allows deletion of all six built-in groups and destroys the forum's permission model, potentially rendering the site unusable.. EPSS estimates a 0.33% chance of exploitation in the next 30 days.
Description
FlaskBB through 2.2.0, fixed in commit a5da9a5, contains a logic flaw vulnerability that allows authenticated administrators to delete all built-in authorization groups by exploiting a type mismatch in the bulk delete protection check. The bulk AJAX endpoint in the management views compares received JSON integer group IDs against string literals, causing the protection check to always pass, which allows deletion of all six built-in groups and destroys the forum's permission model, potentially rendering the site unusable.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/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 |
|---|---|---|
| flaskbb | flaskbb | <= 2.2.0 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-22660?
How severe is CVE-2026-22660?
How do I fix CVE-2026-22660?
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- CVE-2026-22655Rejected reason: This CVE ID has been rejected or withdrawn …
- CVE-2026-22656Rejected reason: This CVE ID has been rejected or withdrawn …
- CVE-2026-22657Rejected reason: This CVE ID has been rejected or withdrawn …
- CVE-2026-22658Rejected reason: This CVE ID has been rejected or withdrawn …
- CVE-2026-22659FlaskBB through 2.2.0, fixed in commit acc88cf, contains an …8.1
- CVE-2026-2266An improper neutralization of input vulnerability was identi…5.4
- CVE-2026-22661prompts.chat prior to commit 0f8d4c3 contains a path travers…8.6
- CVE-2026-22662prompts.chat prior to commit 1464475 contains a blind server…5.3
- CVE-2026-22663prompts.chat prior to commit 7b81836 contains multiple autho…8.7
- CVE-2026-22664prompts.chat prior to commit 30a8f04 contains a server-side …7.7
- CVE-2026-22665prompts.chat prior to commit 1464475, contains an identity c…8.6
- CVE-2026-22666Dolibarr ERP/CRM versions prior to 23.0.2 contain an authent…8.6
Are you affected by CVE-2026-22660?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST