SB2026081795 - Deserialization of Untrusted Data in Kotlin



SB2026081795 - Deserialization of Untrusted Data in Kotlin

Published: August 17, 2026

Security Bulletin ID SB2026081795
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Deserialization of Untrusted Data (CVE-ID: CVE-2026-53914)

CWE-ID: CWE-502 - Deserialization of Untrusted Data

CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to unsafe deserialization in the build cache metadata when processing serialized cache metadata. A local user can supply crafted build cache metadata to execute arbitrary code.


Remediation

Install update from vendor's website.