CVE-2026-90935 json
Froxlor before 2.3.7 Authorization Bypass via Mysqls.add API
published 4mo ago modified last mo. also EUVD-2026-77453 , GHSA-q4rm-m6xh-5pv7
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 22%
- public exploits
- 0
- none known
Summary
Froxlor before 2.3.7 fails to validate the mysql_server parameter against a customer's allowed_mysqlserver allowlist in the Mysqls.add API command. Attackers can supply a disallowed server index to create MySQL databases and users on forbidden servers, bypassing per-customer access controls.
Patch / fix
- packagist froxlor/froxlor 2.3.7
- froxlor froxlor 2.3.7
Is CVE-2026-90935 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- last mo.
Exploit prediction
0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-11).
Exploits and checks
- github.com https://github.com/froxlor/froxlor/security/advisories/GHSA-q4rm-m6xh-5pv7 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| GitHub | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| CNA | 4.0 | 5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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 |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | froxlor/froxlor | <2.3.7 |
2.3.7 |
Affected products
- froxlor froxlor
Classification
- Weakness
-
- CWE-285 Improper Authorization
References
-
github.com
/froxlor/froxlor/security/advisories/GHSA-q4rm-m6xh-5pv7
vendor-advisory, exploit, web
-
vulncheck.com
/advisories/froxlor-before-2.3.7-authorization-bypass-via-mysqls-add-api
third-party-advisory
-
github.com
/froxlor/froxlor
package
Sources
- CVE List CVE-2026-90935
- GitHub Advisory GHSA-q4rm-m6xh-5pv7
- NVD CVE-2026-90935
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.