# CVE-2026-8331: Microchip TimePictra unrestricted file upload

Source: https://junglewise.ai/threats/cve-2026-8331-an-unrestricted-upload-of-files-with-dangerous-type-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-12. Updated: 2026-11-12  
License: CC BY 4.0 with a link back

CVE-2026-8331 · Severity: info · Published 2026-11-12

Microchip TimePictra is a clock and timing synchronization management platform used in critical infrastructure. An unrestricted file upload vulnerability allows attackers to upload dangerous file types that bypass access controls, potentially leading to remote code execution on affected systems.

Technologies: [Microchip TimePictra](https://junglewise.ai/threats/technologies/timepictra). Vendors: [Microchip](https://junglewise.ai/threats/vendors/microchip).

## Quick answers

**Is CVE-2026-8331 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-8331 being exploited in the wild.

**How severe is CVE-2026-8331?** Informational severity, published 12 November 2026.

**Which products and versions are affected?** Microchip TimePictra <UNKNOWN>.

**Is there a fix for CVE-2026-8331?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-8331 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-8331?** Check whether you run Microchip TimePictra at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An unrestricted file upload vulnerability in TimePictra permits uploading files with dangerous types without proper validation, and access control lists fail to constrain the resulting functionality. The vulnerability enables remote code execution when an attacker can upload and execute arbitrary files on the affected system.

## Affected products

- Microchip TimePictra <UNKNOWN>

## Timeline

- 2026-11-12: disclosed

## References

- [https://www.microchip.com/en-us/products/clock-and-timing/systems/synchronization-management-monitoring/timepictra](https://www.microchip.com/en-us/products/clock-and-timing/systems/synchronization-management-monitoring/timepictra)
- [https://www.gruppotim.it/en/footer/TIM-red-team.html](https://www.gruppotim.it/en/footer/TIM-red-team.html)

## Related threats

- [Microchip TimePictra stored cross-site scripting](https://junglewise.ai/threats/cve-2026-8333-a-stored-cross-site-scripting-vulnerability-in-microchip-the)
- [Microchip TimePictra hard-coded root password in installation files](https://junglewise.ai/threats/cve-2026-8332-a-hard-coded-root-password-in-microchip-timepictra-platform)