Is CVE-2025-46553 in the CISA KEV catalog?

No. CVE-2025-46553 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-46553?

CVE-2025-46553 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2025-46553?

CVE-2025-46553 has an EPSS score of 0.22% (12th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-46553?

Upgrade summaly to 5.2.1 or later.

CVE & CISA-KEV Catalog

CVE-2025-46553

MEDIUM

6.1

CVSS v3

NVD

Description

@misskey-dev/summaly is a tool for getting a summary of a web page. Starting in version 3.0.1 and prior to version 5.2.1, a logic error in the main `summaly` function causes the `allowRedirects` option to never be passed to any plugins, and as a result, isn't enforced. Misskey will follow redirects, despite explicitly requesting not to. Version 5.2.1 contains a patch for the issue.

CWE-601Open Redirect CWE-665 CWE-669 CWE-693Protection Mechanism Failure

How to fix

Remediation Available

summalyNVD

Affected:>= 3.0.1, < 5.2.1Fixed in:5.2.1CVE-2025-46553derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

0.22%probability of exploitation in 30 days

12thpercentile

Low risk: more likely to be exploited than 12% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-01.