Vulnerability · Published Aug 30, 2026 · Assigned by VulDB

CVE-2026-82478NASA Trick TCP Socket JSONVariableServerThread.cpp parse_request stack-based overflow

High 7.3

In plain English

A high-severity stack buffer overflow in Trick from NASA. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High

Exploit odds (30 days)0.5%top 54.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability was determined in NASA Trick 19.6.0. This issue affects the function JSONVariableServerThread::parse_request of the file trick_source/sim_services/JSONVariableServer/JSONVariableServerThread.cpp of the component TCP Socket Handler. This manipulation causes stack-based buffer overflow. The attack is possible to be carried out remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
NASA	Trick	19.6.0

Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R

References

VDB-397028 | NASA Trick TCP Socket JSONVariableServerThread.cpp parse_request stack-based overflow vdb-entry, technical-description
VDB-397028 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-82478 | CVE Analysis and Report third-party-advisory
Submit #888016 | NASA Trick 19.6.0 Buffer Overflow third-party-advisory
https://app.notion.com/p/Stack-based-Buffer-Overflow-in-NASA-Trick-JSONVariableServer-via-Unbounded-sscanf-on-Network-Receive-39cbd773e51180e1917cd717b90b8bc8?source=copy_link related