vulnwire
5.9med

CVE-2026-86096

PX4 Autopilot through 1.17.0 Use-After-Free via Temperature Calibration Task Startup

Published 2 mo ago · modified 58 d ago · JSON

CVSS
5.9
v3.1 · CNA
CISA KEV
No
not known exploited
EPSS
0.3%
percentile 27%
Public exploits
0
none known

PX4 Autopilot through 1.17.0 contains a use-after-free vulnerability in TemperatureCalibration::start() due to a race condition between task spawning and object deletion. Attackers can trigger the calibration process via shell commands to write to freed heap memory, corrupting unrelated objects or allocator metadata and destabilizing heap operations.

CISA SSVC assessment

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
58 d ago

Exploit prediction (EPSS)

0.33% probability of exploitation in the next 30 days, higher than 27% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA4.06.0CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
CNA3.15.9CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
CNA4.06.0CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA3.15.9CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

Affected products

  • PX4 PX4-Autopilot

Classification

Weakness

References

  • github.com /PX4/PX4-Autopilot/pull/28487 · patch, issue-tracking
  • github.com /PX4/PX4-Autopilot/commit/b182e523d154fe029a49b48bb5f9d3d6693bc6bb · patch
  • github.com /PX4/PX4-Autopilot · product
  • github.com /PX4/PX4-Autopilot/blob/v1.17.0/src/modules/temperature_compensation/temperature_calibrati · technical-description
  • vulncheck.com /advisories/px4-autopilot-through-1.17.0-use-after-free-via-temperature-calibration-task-s · third-party-advisory

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.