CVE-2026-126658 (GCVE-0-2026-126658)

Vulnerability from cvelistv5 – Published: 2026-11-11 12:24 – Updated: 2026-11-14 13:05
VLAI
Title
ByteStash 1.5.10 before 1.6.2 Insufficient Session Expiration via API Keys
Summary
ByteStash 1.5.10 before 1.6.2 contains an insufficient session expiration vulnerability that allows holders of API keys to keep access after account deactivation because validateApiKey never checks account status. Attackers holding a deactivated account's API key can read, create, modify and delete its snippets via /api/snippets and use every MCP tool via /mcp.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-13 17:11 UTC
CWE
  • CWE-613 - Insufficient Session Expiration
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
jordan-dalby ByteStash Affected: 1.5.10 , < 1.6.2 (semver)
Unaffected: 1.6.2 (semver)
Create a notification for this product.
Date Public
2026-11-10 11:33
Credits
Adib Farhan Jordan Dalby
Show details on NVD website
To clipboard 

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