phpMyFAQ before 4.1.11 Insufficient Authorization in Group Deletion via GroupController
Affects phpMyFAQ before 4.1.11 when security.permLevel is medium and delegated users hold the GROUP_DELETE permission. Fixed in 4.1.11.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
- Exploited
- No known exploitation
- Fix
- Fixed in 4.1.11
- Who is exposed
- Specific setups only
Do first: Check whether your setup matches what the bug needs. phpMyFAQ 4.1.10 with security.permLevel=medium Actor holds only the GROUP_DELETE (delgroup) permission Target group holds permissions the actor does not hold Affects phpMyFAQ versions before 4.1.11
- Last modified
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 15/100 · provisional
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Specific setups only
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
phpMyFAQ, the open-source FAQ and knowledge base software, is affected. An attacker who can reach it over the network and holds a delegated administrator account with only the GROUP_DELETE permission can delete higher-privileged groups along with their memberships and permission mappings.
Read the original description
phpMyFAQ before 4.1.11 contains an insufficient authorization vulnerability that allows delegated administrators holding only GROUP_DELETE permission to delete higher-privileged groups. Attackers can submit a target group_list_select value to /admin/group/confirm and then /admin/group/delete to remove privileged groups, their memberships, and permission mappings.
cve.now Index
- Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
- Exposure8/25Specific setups only, reachable over the network
- Reach?/20Unknown. No tracked technology or package matched
- Severity7/10CVSS 7.0
- No patch0/5No signal
What would change the score
- Would score about 65 if added to CISA KEV
- Would score about 60 if CISA's SSVC rates exploitation active
- Would score about 22 if CISA's SSVC rates it automatable
What to do
Check whether your setup matches what the bug needs.
phpMyFAQ 4.1.10 with security.permLevel=medium Actor holds only the GROUP_DELETE (delgroup) permission Target group holds permissions the actor does not hold Affects phpMyFAQ versions before 4.1.11Upgrade to a fixed version: 4.1.11.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- thorsten phpMyFAQ
fixed in 4.1.11
Evidence 2
- Advisory
- Link
Corrections
None so far.
Something wrong on this page? Report an error. Every fix is listed here.
Questions about CVE-2026-124433
Is CVE-2026-124433 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data
What does this mean?
A user holding only the delegated GROUP_DELETE permission can delete higher-privileged groups, including their memberships and permission mappings. This can remove administrative access and corrupt the access-control structure.Source: github.com, vulncheck.com
Which versions are affected by CVE-2026-124433?
phpMyFAQ: before 4.1.11.Source: cve.now feed data
Am I affected, and how do I check?
The reported case is phpMyFAQ 4.1.10 with security.permLevel set to medium, and versions before 4.1.11 are listed as affected. To check an installation, look at the installed version and the security.permLevel setting in its configuration.Source: github.com, vulncheck.com
How do I fix CVE-2026-124433?
Upgrade to phpMyFAQ 4.1.11 or later, which contains the fix.Source: github.com, vulncheck.com