CVE-2025-54321

Critical

Description

In Ascertia SigningHub through 8.6.8, there is a lack of rate limiting on the reset password function, leading to an email bombing vulnerability. An authenticated attacker can exploit this by automating reset password requests.

SeverityCritical

CVSS9.8

Exploit probability—

ProductAscertia Signinghub

PublishedNov 18, 2025

First seenNov 18, 2025

Weakness typeCWE-799CWE-799

How to fix

Vendor advisories

ascertia.com/company/vulnerability-disclosure-policy/

Affected products

Product	Affected versions	Fixed in
ascertia signinghub	v ≤ 8.6.8	—

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