What’s Vulnerable › Vulnerabilities

CVE-2023-5838: Insufficient Session Expiration in linkstackorg/linkstack

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-10-29 · updated 2026-06-17
• Weakness: CWE-613

Description

Insufficient Session Expiration in GitHub repository linkstackorg/linkstack prior to v4.2.9.

Affected products

• LinkStackOrg LinkStack: before 4.2.9 — fixed in 4.2.9

How to fix

Upgrade to a fixed version: LinkStackOrg LinkStack 4.2.9. Check the vendor advisory for mitigations.

References

• https://github.com/linkstackorg/linkstack/commit/02f620092255f07e1d0252a0190fd42ef773ba05
• https://huntr.com/bounties/8f6feca3-386d-4897-801c-39b9e3e5eb03
• https://github.com/linkstackorg/linkstack/commit/02f620092255f07e1d0252a0190fd42ef773ba05
• https://huntr.com/bounties/8f6feca3-386d-4897-801c-39b9e3e5eb03

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