Vulnerability · Published Feb 9, 2026 · Assigned by VulDB
CVE-2026-2246AprilRobotics apriltag apriltag.c apriltag_detector_detect memory corruption
Low 3.3
In plain English
A low-severity memory corruption in apriltag from AprilRobotics. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Official description
A security vulnerability has been detected in AprilRobotics apriltag up to 3.4.5. Affected by this vulnerability is the function apriltag_detector_detect of the file apriltag.c. The manipulation leads to memory corruption. The attack must be carried out locally. The exploit has been disclosed publicly and may be used. The identifier of the patch is cfac2f5ce1ffe2de25967eb1ab80bc5d99fc1a61. It is suggested to install a patch to address this issue.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AprilRobotics | apriltag | 3.4.03.4.13.4.23.4.33.4.43.4.5 |
Weakness: CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
References
- VDB-344994 | AprilRobotics apriltag apriltag.c apriltag_detector_detect memory corruption vdb-entry, technical-description
- VDB-344994 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #753162 | AprilRobotics apriltag c2172a2 Memory Corruption third-party-advisory
- https://github.com/AprilRobotics/apriltag/issues/422 issue-tracking
- https://github.com/AprilRobotics/apriltag/issues/422#issuecomment-3797661933 issue-tracking
- https://github.com/oneafter/0120/blob/main/repro exploit
- https://github.com/AprilRobotics/apriltag/commit/cfac2f5ce1ffe2de25967eb1ab80bc5d99fc1a61 patch
- https://github.com/AprilRobotics/apriltag/ product