CVE-2021-26598

ImpressCMS before 1.4.3 has Incorrect Access Control because include/findusers.php allows access by unauthenticated attackers (who are, by design, able to have a security token).

• CWE-287

• http://karmainsecurity.com/KIS-2022-03Exploit, Third Party Advisory
• http://seclists.org/fulldisclosure/2022/Mar/45Exploit, Mailing List, Third Party Advisory
• https://hackerone.com/reports/1081137Exploit, Third Party Advisory
• https://packetstormsecurity.com/files/166403/ImpressCMS-1.4.2-Incorrect-Access-Control.htmlExploit, Third Party Advisory, VDB Entry
• http://karmainsecurity.com/KIS-2022-03Exploit, Third Party Advisory
• http://seclists.org/fulldisclosure/2022/Mar/45Exploit, Mailing List, Third Party Advisory
• https://hackerone.com/reports/1081137Exploit, Third Party Advisory
• https://packetstormsecurity.com/files/166403/ImpressCMS-1.4.2-Incorrect-Access-Control.htmlExploit, Third Party Advisory, VDB Entry

Published

Mar 28, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2021-26589A potential security vulnerability has been identified in HP…6.1
• CVE-2021-26593In Directus 8.x through 8.8.1, an attacker can see all users…7.5
• CVE-2021-26594In Directus 8.x through 8.8.1, an attacker can switch to the…8.8
• CVE-2021-26595In Directus 8.x through 8.8.1, an attacker can learn sensiti…5.3
• CVE-2021-26596An issue was discovered in Nokia NetAct 18A. A malicious use…5.4
• CVE-2021-26597An issue was discovered in Nokia NetAct 18A. A remote user, …6.5
• CVE-2021-26599ImpressCMS before 1.4.3 allows include/findusers.php groups …9.8
• CVE-2021-26600ImpressCMS before 1.4.3 has plugins/preloads/autologin.php t…9.8
• CVE-2021-26601ImpressCMS before 1.4.3 allows libraries/image-editor/image-…8.1
• CVE-2021-26603A heap overflow issue was found in ARK library of bandisoft …7.8
• CVE-2021-26605An improper input validation vulnerability in the service of…9.8
• CVE-2021-26606A vulnerability in PKI Security Solution of Dream Security c…9.8