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CVE-2026-11460 Boost CVE debrief

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.

Vendor
Boost
Product
Serialization
CVSS
LOW 2.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-07
Original CVE updated
2026-07-23
Advisory published
2026-06-07
Advisory updated
2026-07-23

Who should care

Users of Boost Serialization up to version 1.91 should be aware of this vulnerability and take necessary precautions to mitigate potential attacks.

Technical summary

The vulnerability is caused by improper validation of specified type of input in an unknown function of Boost Serialization up to 1.91. This allows for remote attacks.

Defensive priority

LOW

Recommended defensive actions

  • Consider updating to a patched version of Boost Serialization, if available.
  • Implement additional security measures to validate input and prevent potential attacks.

Evidence notes

The CVSS score for this vulnerability is 2.9, indicating a LOW severity. The CVSS vector is CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11460 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11460

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-11460 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11460

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.