Description
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.
Published: 2026-11-11
Score: 5.3 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 11 Nov 2026 12:45:00 +0000

Type Values Removed Values Added
Description 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.
Title ByteStash 1.5.10 before 1.6.2 Insufficient Session Expiration via API Keys
Weaknesses CWE-613
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': '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'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-11T12:24:35.975Z

Reserved: 2026-11-11T11:58:21.462Z

Link: CVE-2026-126658

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-11T13:17:23.993

Modified: 2026-11-11T13:17:23.993

Link: CVE-2026-126658

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses