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TI-2026-21381 Aliases CVE-2026-26744GHSA-742g-xjv2-hvh9

A user enumeration vulnerability exists in FormaLMS 4.1.18 and below in the password…

Priority LOW 30CWE-204Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-204.

Summary

A user enumeration vulnerability exists in FormaLMS 4.1.18 and below in the password recovery functionality accessible via the /lostpwd endpoint. The application returns different error messages for valid and invalid usernames allowing an unauthenticated attacker to determine which usernames are registered in the system through observable response discrepancy.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00336 27th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:formalms:formalms:*:*:*:*:*:*:*:*up to 4.1.18VulnerableForma
  • cpe:2.3:a:formalms:formalms:*:*:*:*:*:*:*:* Versions up to 4.1.18 Vulnerable ·Forma

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-26744
  2. 2026-10-03 Alias added: GHSA-742g-xjv2-hvh9

References

Advisory 1

Other 1

  • TI-2021-19167 An authentication bypass issue in FormaLMS <= 2.4.4 allows an attacker to bypass the… CVSS 3.1CRITICAL 9.8
  • TI-2022-20912 Unrestricted Upload of File with Dangerous Type in Forma LMS CVSS 3.1CRITICAL 9.9
  • TI-2022-20075 File Upload vulnerability in Forma LMS CVSS 3.1CRITICAL 9.9
  • TI-2022-10257 An Unauthenticated time-based blind SQL injection vulnerability exists in Forma LMS prior to v.1.4.3. CVSS 3.1CRITICAL 9.8
  • TI-2022-20910 SQL injection in Forma LMS CVSS 3.1HIGH 8.8
  • TI-2019-03571 SQL injection in Forma CVSS 3.1HIGH 8.8
See all 15 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences