Boost Serialization improper validation of specified type of input
CVE-2026-11460

6.3MEDIUM

Key Information:

Vendor

Boost

Status
Serialization
Vendor
CVE Published:
7 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-11460?

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.

Affected Version(s)

Serialization 1.0

Serialization 1.1

Serialization 1.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-11460 - Proof of Concept

References

https://vuldb.com/vuln/369080
vdb-entry
https://vuldb.com/vuln/369080/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-11460
third-party-advisory

CVSS V4

Score:
6.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

trebledj (VulDB User)
VulDB CNA Team
.