CVE-2026-112296: Use of Default Credentials in sunkaifei FlyCms
Description
FlyCms through commit edfdf724 contains a default credentials vulnerability that allows unauthenticated remote attackers to gain super administrator access via the flycms account with password admin123. Attackers can log in through POST /api/auth/login, solving only the image captcha, to obtain full control of site content, users and configuration.
CVSS v4.0
Score 9.3critical
Affected software
sunkaifei
FlyCms
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
FlyCms through commit edfdf724 in version 0 has a default credentials vulnerability. Attackers can remotely and unauthenticated log in as the super administrator using the hardcoded credentials 'flycms'/'admin123' after solving an image captcha at the /api/auth/login endpoint. This grants full administrative control over the application, including site content, user management, and configuration settings. The vulnerability is rated critical with a CVSS 4.0 score of 9.3.
Potential Impact
Unauthenticated remote attackers can gain super administrator privileges, allowing complete control over the FlyCms application, including modification of site content, user accounts, and configuration. This poses a critical risk to confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
No patch or official fix information is provided. Users should immediately change default credentials and disable or secure the affected login endpoint. Monitor vendor advisories for official remediation updates. Until a fix is available, restrict access to the login interface and enforce strong authentication mechanisms.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-10-19T13:25:35.703Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ad626e52cdf04f6565e6788
Added to database: 10/19/2026, 14:19:17 UTC
Last enriched: 10/19/2026, 14:33:15 UTC
Last updated: 10/19/2026, 14:49:14 UTC
Views: 4
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.