CVE-2026-23922 Email media OAuth secret leak to Super Admin

What is CVE-2026-23922?

CVE-2026-23922 is a low-severity vulnerability in Zabbix Zabbix, published on 18 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

The email media OAuth field 'Client secret' cannot be read after saving, but a Super Admin can leak it by setting a malicious 'Token endpoint'. Changes were made to reset the client secret upon changing the token endpoint.

Weakness: CWE-522

Which versions are affected by CVE-2026-23922?

It affects 1 product.

Products include Zabbix Zabbix.

How do I fix CVE-2026-23922?

No fix has been published for CVE-2026-23922 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-23922 being exploited?

There is no known exploitation of CVE-2026-23922 in the wild and no public exploit code.

Other vulnerabilities in Zabbix Zabbix

• CVE-2022-23131 Zabbix Frontend Authentication Bypass Exploited Critical 9.1
• CVE-2007-0640 Memory corruption in n/a Critical 10.0
• CVE-2024-42327 SQL injection in user.get API Critical 9.9
• CVE-2024-22116 Remote code execution within ping script Critical 9.9
• CVE-2013-3738 Code injection in n/a Critical 9.8

All Zabbix Zabbix vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-wx93-p8qg-2gp4, UBUNTU-CVE-2026-23922.