---
title: "CVE-2026-112296: FlyCms - Authentication Bypass"
description: "FlyCms contains a default credentials vulnerability caused by hardcoded flycms account with password admin123, letting unauthenticated remote attackers gain super administrator access via POST /api/auth/login, exploit requires solving image captcha."
url: https://panop.io/threat-heartbeat/CVE-2026-112296/
---

# CVE-2026-112296 FlyCms - Authentication Bypass

FlyCms contains a default credentials vulnerability caused by hardcoded flycms account with password admin123, letting unauthenticated remote attackers gain super administrator access via POST /api/auth/login, exploit requires solving image captcha.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-112296)

## Details

Type

Authentication Bypass

Impact

Privilege Escalation

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

19 October 2026

Updated

20 October 2026

Weakness

[CWE-1392](https://cwe.mitre.org/data/definitions/1392.html)

## Vendor fix

Update to the latest version with fixed credentials or change default credentials immediately.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-112296](https://nvd.nist.gov/vuln/detail/CVE-2026-112296)
- [https://github.com/sunkaifei/FlyCms/blob/edfdf724c3b944310f60c29aa755d03a00a75837/README.md](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/blob/edfdf724c3b944310f60c29aa755d03a00a75837/sql/flycms_20260928_093335.sql)
- [https://github.com/sunkaifei/FlyCms/issues/19](https://github.com/sunkaifei/FlyCms/issues/19)
- [https://www.vulncheck.com/advisories/flycms-through-commit-edfdf724-default-super-administrator-credentials](https://www.vulncheck.com/advisories/flycms-through-commit-edfdf724-default-super-administrator-credentials)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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