[Renovate] Update dependency org.jetbrains.kotlin:kotlin-gradle-plugin to v2.4.20 [SECURITY] [MEDIUM]

[appsec-renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
org.jetbrains.kotlin:kotlin-gradle-plugin (source)	dependencies	minor	2.0.20 → 2.4.20

---

Warning

Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

---

JetBrains Kotlin: Unsafe Deserialization in Kotlin Build Cache Enables Code Execution

CVE-2026-53914 / GHSA-r937-wjx7-w2jp

More information

Details

In JetBrains Kotlin before 2.4.20 code execution was possible via unsafe deserialization in the build cache metadata

Severity

• CVSS Score: 6.7 / 10 (Medium)
• Vector String: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L

References

• https://nvd.nist.gov/vuln/detail/CVE-2026-53914
• https://github.com/JetBrains/kotlin/commit/bf51df665b458fda7c3eaf436c4d88dc119d7ec6
• https://github.com/JetBrains/kotlin
• https://github.com/JetBrains/kotlin/releases/tag/v2.4.20-Beta1
• https://www.jetbrains.com/privacy-security/issues-fixed

This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).

---

Configuration

📅 Schedule: (UTC)

• Branch creation
  • At any time (no schedule defined)
• Automerge
  • At any time (no schedule defined)

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate CLI.