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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.

PUBLISHED Reserved 2026-04-03 | Published 2026-04-03 | Updated 2026-04-03 | Assigner VulDB




MEDIUM: 4.8CVSS: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
LOW: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
LOW: 3.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
1.7AV:L/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR

Problem types

Use of Hard-coded Cryptographic Key

Key Management Error

Product status

7.2.0
affected

7.2.1
affected

Timeline

2026-04-03:Advisory disclosed
2026-04-03:VulDB entry created
2026-04-03:VulDB entry last update

Credits

fxizenta (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/355053 (VDB-355053 | Wahoo Fitness SYSTM App com.WahooFitness.SYSTM BuildConfig.java hard-coded key) vdb-entry technical-description

vuldb.com/vuln/355053/cti (VDB-355053 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/781767 (Submit #781767 | Wahoo Fitness Wahoo SYSTM(com.WahooFitness.SYSTM) 7.2.1 Segment Write Key Exposure) third-party-advisory

www.notion.so/...3f97fb8038808eed63af1a48b8?source=copy_link exploit

cve.org (CVE-2026-5462)

nvd.nist.gov (CVE-2026-5462)

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