CVE-2026-41233Public exploitNetwork attack vector

Reseller quota bypass via unchecked administrator attribution

Published Apr 23, 2026 · Updated Apr 23, 2026

Incorrect authorization in Froxlor before 2.3.6 allows remote authenticated users to create domains under another administrator's identity. Domains.add() accepts a caller-controlled adminid and, for resellers without customers_see_all, neither validates it nor replaces it with the caller's ID before insertion and quota accounting. Reseller access with an owned customer is sufficient to bypass the caller's domain quota and consume another administrator's quota, preventing legitimate domain creation.

CVSS severity5.4
Medium
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect authorization in Froxlor before 2.3.6 allows remote authenticated users to create domains under another administrator's identity. Domains.add() accepts a caller-controlled adminid and, for resellers without customers_see_all, neither validates it nor replaces it with the caller's ID before insertion and quota accounting. Reseller access with an owned customer is sufficient to bypass the caller's domain quota and consume another administrator's quota, preventing legitimate domain creation.

The record

CVE
CVE-2026-41233
Published
Apr 23, 2026
Updated
Apr 23, 2026
Vendor
Froxlor
Product
Froxlor
Classifications
CWE-863, T1496
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 23, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 23, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 2.3.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Froxlor · Froxlorversion=< 2.3.6

Published CVSS scores

5.4GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-863Incorrect Authorization
T1496Resource Hijacking

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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