Is CVE-2026-11460 in the CISA KEV catalog?

No. CVE-2026-11460 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-11460?

CVE-2026-11460 has a CVSS v3 base score of 7.3 (HIGH).

What is the EPSS score for CVE-2026-11460?

CVE-2026-11460 has an EPSS score of 0.31% (23th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2026-11460?

No published fix for CVE-2026-11460 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-11460

HIGH

7.3

CVSS v3

NVD

Description

A flaw has been found in Boost Serialization up to 1.91. The impacted element is an unknown function. This manipulation causes improper validation of specified type of input. It is possible to initiate the attack remotely. The exploit has been published and may be used. The maintainer was notified on Aug 2025 and a disclosure deadline was set for 90 days. The maintainer acknowledged but postponed indefinitely citing time concerns. No patch is currently available and the disclosure deadline has expired.

CWE-20Improper Input Validation CWE-1287Improper Validation of Specified Type of Input

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

0.31%probability of exploitation in 30 days

23rdpercentile

Low risk: more likely to be exploited than 23% of all known CVEs.

References

Other references6

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

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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 2026-06-08.