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4 vulnerabilities found for sub2api by Wei-Shaw
CVE-2026-73079 (GCVE-0-2026-73079)
Vulnerability from nvd – Published: 2026-08-11 15:54 – Updated: 2026-08-11 16:42
VLAI
EPSS
VEX
Title
Sub2API: Path traversal in the Responses subpath routes lets an authenticated tenant relay requests to arbitrary upstream endpoints using pooled account credentials
Summary
Sub2API is an AI API gateway platform designed to distribute and manage API quotas from AI product subscriptions. From 0.1.135, to 0.1.168, platform API keys issued to tenants are exchanged for upstream requests made with shared provider accounts (ChatGPT/Codex OAuth, OpenAI platform keys, or an operator-configured base URL) that belong to the operator, not to the caller. The `POST /responses/*subpath` wildcard routes spliced the client-supplied subpath into the upstream URL with no validation. This lets an authenticated tenant relay requests to arbitrary upstream endpoints using pooled account credentials via a path traversal. This vulnerability is fixed in 0.1.169.
Severity
8.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 16:42 UTC
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/Wei-Shaw/sub2api/security/advi… | x_refsource_CONFIRM |
| https://github.com/Wei-Shaw/sub2api/pull/5137 | x_refsource_MISC |
| https://github.com/Wei-Shaw/sub2api/commit/017f6b… | x_refsource_MISC |
| https://github.com/Wei-Shaw/sub2api/releases/tag/… | x_refsource_MISC |
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CVE-2026-27812 (GCVE-0-2026-27812)
Vulnerability from nvd – Published: 2026-02-26 00:00 – Updated: 2026-02-26 14:53
VLAI
EPSS
VEX
Title
Sub2API Vulnerable to Password Reset Poisoning via Host Header Trust Issue, Leading to Account Takeover
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-26 14:53 UTC
CWE
- CWE-116 - Improper Encoding or Escaping of Output
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Wei-Shaw/sub2api/security/advi… | x_refsource_CONFIRM |
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CVE-2026-73079 (GCVE-0-2026-73079)
Vulnerability from cvelistv5 – Published: 2026-08-11 15:54 – Updated: 2026-08-11 16:42
VLAI
EPSS
VEX
Title
Sub2API: Path traversal in the Responses subpath routes lets an authenticated tenant relay requests to arbitrary upstream endpoints using pooled account credentials
Summary
Sub2API is an AI API gateway platform designed to distribute and manage API quotas from AI product subscriptions. From 0.1.135, to 0.1.168, platform API keys issued to tenants are exchanged for upstream requests made with shared provider accounts (ChatGPT/Codex OAuth, OpenAI platform keys, or an operator-configured base URL) that belong to the operator, not to the caller. The `POST /responses/*subpath` wildcard routes spliced the client-supplied subpath into the upstream URL with no validation. This lets an authenticated tenant relay requests to arbitrary upstream endpoints using pooled account credentials via a path traversal. This vulnerability is fixed in 0.1.169.
Severity
8.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 16:42 UTC
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/Wei-Shaw/sub2api/security/advi… | x_refsource_CONFIRM |
| https://github.com/Wei-Shaw/sub2api/pull/5137 | x_refsource_MISC |
| https://github.com/Wei-Shaw/sub2api/commit/017f6b… | x_refsource_MISC |
| https://github.com/Wei-Shaw/sub2api/releases/tag/… | x_refsource_MISC |
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CVE-2026-27812 (GCVE-0-2026-27812)
Vulnerability from cvelistv5 – Published: 2026-02-26 00:00 – Updated: 2026-02-26 14:53
VLAI
EPSS
VEX
Title
Sub2API Vulnerable to Password Reset Poisoning via Host Header Trust Issue, Leading to Account Takeover
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-26 14:53 UTC
CWE
- CWE-116 - Improper Encoding or Escaping of Output
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/Wei-Shaw/sub2api/security/advi… | x_refsource_CONFIRM |
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