CVE-2023-26756

HIGH 7.5CVE-2023-26756 · Published 14/04/2023 · updated 17/06/2026

In short

CVE-2023-26756 is a HIGH (CVSS 7.5) vulnerability affecting adserver (revive).
Chance of exploitation in the next 30 days (EPSS): 1.2%, higher than 67.1% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
adserver revive	`= 5.4.1`	No fix yet

Description

The login page of Revive Adserver v5.4.1 is vulnerable to brute force attacks. NOTE: The vendor's position is that this is effectively mitigated by rate limits and password-quality features.

References

seclists.org/fulldisclosure/2024/Apr/27
googleinformationsworld.blogspot.com/2023/04/revive-adserver-541-vulnerable-to-brute.html · Exploit
esecforte.com/login-page-brute-force-attack
revive-adserver.com/security/response-to-cve-2023-26756

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