NIST deprecates RSA-2048 from 2030. Find every one of them before attackers do.
.NET
.NET NuGet
Not in CISA KEV
MEDIUM severity

CVE-2024-55186 — Oqtane.Framework

MEDIUMFix: oqtane/oqtane.framework#4876

CVE-2024-55186 is a medium-severity (CVSS 4.3) CWE-639 vulnerability in Oqtane.Framework. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Oqtane Framework Insecure Direct Object Reference vulnerability

Published
Updated
Affected
4 pkgs
Patched
See advisory
Exploits
None indexed
Exploitation data as of Nov 1, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

Proof-of-concept exploit code exists

  • CISA’s SSVC triage found public proof-of-concept exploit code for this CVE, though no confirmed active exploitation.

Exploitation and automatability from CISA’s SSVC triage for CVE-2024-55186.

EPSS Exploitation Probability

via FIRST.org ↗
0.3%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs21th percentile — riskier than 21% of all scored CVEsHighest risk
0.00%0.26%0.52%0.79%0.1%0.3%May 26Aug 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

4 pkgs affected
.NETOqtane.Framework.NETOqtane.Client.NETOqtane.Server.NETOqtane.Shared

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects NuGet packages — download data is not available via public APIs for these ecosystems.

Description

An IDOR (Insecure Direct Object Reference) vulnerability exists in Oqtane Framework 6.0.0, allowing a logged-in user to access inbox messages of other users by manipulating the notification ID in the request URL. By changing the notification ID, an attacker can view sensitive mail details belonging to other users.

Affected Packages

4 total
EcosystemPackageVulnerable rangeFix
.NETNuGetOqtane.Frameworkall versionsNo fix
.NETNuGetOqtane.Clientall versionsNo fix
.NETNuGetOqtane.Serverall versionsNo fix
.NETNuGetOqtane.Sharedall versionsNo fix

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for Oqtane.Framework, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    The records we use list no patched version of Oqtane.Framework for CVE-2024-55186. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

An IDOR (Insecure Direct Object Reference) vulnerability exists in Oqtane Framework 6.0.0, allowing a logged-in user to access inbox messages of other users by manipulating the notification ID in the request URL. By changing the notification ID, an attacker can view sensitive mail details belonging to other users.
O3 Security · Impact-Aware SCA

Is CVE-2024-55186 in your dependencies?

Find it across NuGet, including transitive dependencies.

CVE-2024-55186: Oqtane.Framework (Medium 4.3)