CVE-2026-105131 mayswind ezBookkeeping 1.2.0 before 2.0.1 Privilege Escalation via Token Refresh Endpoint

Medium 5.3 Published Updated

Attackers with API tokens can escalate privileges by obtaining full session tokens, bypassing security restrictions in ezBookkeeping.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-105131?

CVE-2026-105131 is a medium-severity vulnerability in mayswind ezBookkeeping, published on 4 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

ezBookkeeping 1.2.0 before 2.0.1 contains a privilege escalation vulnerability that allows attackers holding an API token to obtain a full session token via /api/v1/tokens/refresh.json. Because TokenRefreshHandler never checks token type, attackers can exchange short-lived or IP-restricted API tokens for 30-day normal session tokens that bypass API token expiry and allowlists.

Weakness: CWE-863

Which versions are affected by CVE-2026-105131?

How do I fix CVE-2026-105131?

No fix has been published for CVE-2026-105131 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-105131 being exploited?

There is no known exploitation of CVE-2026-105131 in the wild and no public exploit code.

Sources

Also known as GHSA-983g-gj75-pg7f, GHSA-wq25-mpcf-2mfc.

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