Vulnerability in Sunkaifei Flycms
CVE-2026-112296
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/sunkaifei/FlyCms/blob/edfdf724c3b944310f60c29aa755d03a00a75837/READM… (technical-description)
- github.com/sunkaifei/FlyCms/blob/edfdf724c3b944310f60c29aa755d03a00a75837/sql/f… (technical-description)
- github.com/sunkaifei/FlyCms/issues/19 (issue-tracking)
- www.vulncheck.com/advisories/flycms-through-commit-edfdf724-default-super-admin… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-112296?
- CVE-2026-112296 is a critical-severity vulnerability in Sunkaifei Flycms, classified under CWE-1392. CVSS score: 9.8/10. Published 2026-10-19.
- How severe is CVE-2026-112296?
- Critical severity. CVSS v3 base score is 9.8 out of 10.