Vulnerability · Published Apr 3, 2026 · Assigned by VulDB
CVE-2026-5462Wahoo Fitness SYSTM App com.WahooFitness.SYSTM BuildConfig.java hard-coded key
Low 3.3
In plain English
A low-severity security flaw in SYSTM App from Wahoo Fitness. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).
Official description
A vulnerability was identified in Wahoo Fitness SYSTM App up to 7.2.1 on Android. Impacted is an unknown function of the file com/WahooFitness/SYSTM/BuildConfig.java of the component com.WahooFitness.SYSTM. Such manipulation of the argument SEGMENT_WRITE_KEY leads to use of hard-coded cryptographic key . Local access is required to approach this attack. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Wahoo Fitness | SYSTM App | 7.2.07.2.1 |
Weakness: CWE-321, CWE-320 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
References
- VDB-355053 | Wahoo Fitness SYSTM App com.WahooFitness.SYSTM BuildConfig.java hard-coded key vdb-entry, technical-description
- VDB-355053 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #781767 | Wahoo Fitness Wahoo SYSTM(com.WahooFitness.SYSTM) 7.2.1 Segment Write Key Exposure third-party-advisory
- https://www.notion.so/Segment-Write-Key-Exposure-Leading-to-Data-Injection-and-User-Profile-Manipulation-In-com-WahooFitne-3262de3f97fb8038808eed63af1a48b8?source=copy_link exploit