PatchTheCVECVE-2025-39485: Deserialization of Untrusted Data vulnerability in ThemeGoods Grand Tour grandtour allows Object Injection.Thi
CVE-2025-39485 is a critical-severity flaw (CVSS 9.8) affecting grand tour. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Deserialization of Untrusted Data vulnerability in ThemeGoods Grand Tour grandtour allows Object Injection.This issue affects Grand Tour: from n/a through <= 5.6.
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.6% (top 51%) |
| CISA exploited list | No |
| Weakness | CWE-502 |
| Published | 2025-05-23 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-39485?
grand tour: upgrade to newer than 5.6. Exact commands for each OS are on this page.
Is CVE-2025-39485 being exploited?
CVE-2025-39485 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-39485 affect?
CVE-2025-39485 affects grand tour. Severity is critical (CVSS 9.8). Deserialization of Untrusted Data vulnerability in ThemeGoods Grand Tour grandtour allows Object Injection.This issue affects Grand Tour: from n/a through <= 5.6.
How urgent is CVE-2025-39485?
Priority 52/100. Critical severity; Remotely exploitable, no login, no user action