CVE-2026-15557 waooAI waoowaoo Internal Task Header api-auth.ts requireProjectAuthLight improper authentication
Attackers can bypass authentication in waooAI waoowaoo by manipulating the x-internal-user-id header, gaining unauthorized access to internal task sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15557?
CVE-2026-15557 is a medium-severity authentication bypass vulnerability in waooAI waoowaoo, published on 13 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A weakness has been identified in waooAI waoowaoo up to 0.4.1. Affected by this vulnerability is the function getInternalTaskSession/getAuthSession/requireUserAuth/requireProjectAuth/requireProjectAuthLight in the library src/lib/api-auth.ts of the component Internal Task Header Handler. This manipulation of the argument x-internal-user-id request causes improper authentication. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Weakness: CWE-287
Which versions are affected by CVE-2026-15557?
How do I fix CVE-2026-15557?
No fix has been published for CVE-2026-15557 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-15557 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15557 exists.
Sources
Also known as GHSA-665j-f2m4-xc48.