Public vulnerability disclosure

CVE-2026-122019

6amTech 6valley Social Login Flow existing-account-check existingAccountCheck authorization

publishedCWE-639CWE-285

A vulnerability was identified in 6amTech 6valley 16.0. Impacted is the function existingAccountCheck of the file /api/v1/auth/existing-account-check of the component Social Login Flow. Such manipulation of the argument user_response leads to authorization bypass. The attack may be launched remotely. The exploit is publicly available and might be used.

Technical severity6.9 mediumCVSS 4.0 · CNA: VulDB
Published2026-11-04Source updated 2026-11-04
Collected2026-11-041 attributed source

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
6valley
6amTech
16.0 (affected) CNA: VulDB

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
4.0 / 6.9
medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PCNA: VulDB
3.1 / 7.3
high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:CCNA: VulDB
3.0 / 7.3
high
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:CCNA: VulDB
2.0 / 7.5
high
AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:CCNA: VulDB

Exploit evidence

References

For agents and automation

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