Moderate severityNVD Advisory· Published Sep 30, 2025· Updated Oct 1, 2025

CVE-2025-55797

Description

An improper access control vulnerability in FormCms v0.5.4 in the /api/schemas/history/[schemaId] endpoint allows unauthenticated attackers to access historical schema data if a valid schemaId is known or guessed.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
FormCMSNuGet	< 0.5.5	0.5.5

Affected products

FormCms/FormCmscpe-rescue
ghsa-coords
pkg:nuget/formcms
Range: < 0.5.5

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-6cwx-42hw-w69cghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2025-55797ghsaADVISORY
github.com/KKC73/me/tree/main/CVE-2025-55797ghsaWEB
github.com/formcms/formcms/issues/19ghsaWEB

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