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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 4.0
- 9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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/M
- EPSS
- 0.42% probability · 36th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-1392
- Source
- disclosure@vulncheck.com
EPSS moved from 0.4% on 20 October 2026 to 0.4% on 26 October 2026.
References
- https://github.com/sunkaifei/FlyCms/blob/edfdf724c3b944310f60c29aa755d03a00a75837/README.md
- https://github.com/sunkaifei/FlyCms/blob/edfdf724c3b944310f60c29aa755d03a00a75837/sql/flycms_20260928_093335.sql
- https://github.com/sunkaifei/FlyCms/issues/19
- https://www.vulncheck.com/advisories/flycms-through-commit-edfdf724-default-super-administrator-credentials
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.