CVE-2026-1675Network attack vector

Unauthenticated geoblocking bypass via default secret key

Published Feb 7, 2026 · Updated Feb 7, 2026

Authorization bypass in Advanced Country Blocker 2.3.1 and earlier allows remote attackers to evade geolocation blocking via a URL parameter. The activation routine initializes the secret bypass key to a predictable default, and the request gate accepts that key from a query parameter. Exploitation requires a site whose administrator left the installation default unchanged; successful requests temporarily whitelist the attacker's IP and reach content that country or IP policy should block.

CVSS severity5.3
Medium
EPSS probability0.36%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authorization bypass in Advanced Country Blocker 2.3.1 and earlier allows remote attackers to evade geolocation blocking via a URL parameter. The activation routine initializes the secret bypass key to a predictable default, and the request gate accepts that key from a query parameter. Exploitation requires a site whose administrator left the installation default unchanged; successful requests temporarily whitelist the attacker's IP and reach content that country or IP policy should block.

The record

CVE
CVE-2026-1675
Published
Feb 7, 2026
Updated
Feb 7, 2026
Vendor
Branko Stefanović
Product
Advanced Country Blocker
Classifications
CWE-1188, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 7, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 7, 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=* <=2.3.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Branko Stefanović · Advanced Country Blockerversion=* <=2.3.1

Published CVSS scores

5.3WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-1188Insecure Default Initialization of Resource
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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