CVE-2026-27812

CRITICAL

Sub2API <0.1.85 - Auth Bypass

Title source: llm
STIX 2.1

Description

Sub2API is an AI API gateway platform designed to distribute and manage API quotas from AI product subscriptions. A vulnerability in versions prior to 0.1.85 is a Password Reset Poisoning (Host Header / Forwarded Header trust issue), which allows attackers to manipulate the password reset link. Attackers can exploit this flaw to inject their own domain into the password reset link, leading to the potential for account takeover. The vulnerability has been fixed in version v0.1.85. If upgrading is not immediately possible, users can mitigate the vulnerability by disabling the "forgot password" feature until an upgrade to a patched version can be performed. This will prevent attackers from exploiting the vulnerability via the affected endpoint.

Scores

CVSS v3 9.1
EPSS 0.0005
EPSS Percentile 15.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-116
Status published
Products (2)
sub2api/sub2api < 0.1.85
wei-shaw/sub2api < 0.1.85
Published Feb 26, 2026
Tracked Since Feb 26, 2026