Vulnerability details

CVE-2026-112296

sunkaifei FlyCms

FlyCms through commit edfdf724 Default Super Administrator Credentials

CVSS 4.0

9.3Critical

Official 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 scores

Score	Version	Source	Vector
9.3Critical	4.0	CVEProject cvelistV5 (CNA) (VulnCheck)	`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`
9.8Critical	3.1	CVEProject cvelistV5 (CNA) (VulnCheck)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`

Affected products

Vendor	Product	Versions	Source
sunkaifei	FlyCms	v ≤ edfdf724c3b944310f60c29aa755d03a00a75837	CVEProject cvelistV5 (CNA)

References and advisories

https://github.com/sunkaifei/FlyCms/issues/19 issue-tracking
https://github.com/sunkaifei/FlyCms/blob/edfdf724c3b944310f60c29aa755d03a00a75837/sql/flycms_20260928_093335.sql technical-description
https://github.com/sunkaifei/FlyCms/blob/edfdf724c3b944310f60c29aa755d03a00a75837/README.md technical-description
https://www.vulncheck.com/advisories/flycms-through-commit-edfdf724-default-super-administrator-credentials third-party-advisory

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Details

Published: 2026-10-19
Last updated: 2026-10-27
State: Published
Assigner (CNA): VulnCheck

Exploit prediction (EPSS)

0.41%

Probability of exploitation in 30 days

36.4%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: Yes
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-1392
Use of Default Credentials