Advisory Details

January 9th, 2026

(0Day) GPT Academic stream_daas Deserialization of Untrusted Data Remote Code Execution Vulnerability

ZDI-26-028
ZDI-CAN-27956

CVE ID CVE-2026-0762
CVSS SCORE 8.1, AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS GPT Academic
AFFECTED PRODUCTS GPT Academic
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of GPT Academic. Interaction with a malicious DAAS server is required to exploit this vulnerability but attack vectors may vary depending on the implementation.

The specific flaw exists within the stream_daas function. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of root.

ADDITIONAL DETAILS

08/27/25 – ZDI submitted the report to the vendor
09/24/25 – ZDI asked for updates
10/22/25 – ZDI asked for updates
12/10/25 – ZDI notified the vendor of the intention to publish the case as a 0-day advisory

-- Mitigation: Given the nature of the vulnerability, the only salient mitigation strategy is to restrict interaction with the product


DISCLOSURE TIMELINE
  • 2025-08-27 - Vulnerability reported to vendor
  • 2026-01-09 - Coordinated public release of advisory
  • 2026-01-09 - Advisory Updated
CREDIT Peter Girnus (@gothburz) and Brandon Niemczyk of Trend Zero Day Initiative
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