What’s Vulnerable › Vulnerabilities

CVE-2025-54320

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-11-18 · updated 2026-06-17
• Weakness: CWE-770

Description

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

Affected products

• Ascertia Signinghub: through 8.6.8

References

• https://github.com/saykino/CVE-2025-54320
• https://www.ascertia.com/company/vulnerability-disclosure-policy/

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