CVE-2026-15977
CVE-2026-15977
Description
SGLang contains a credential leakage vulnerability in the /server_info endpoint, which will return API keys and SSL keyfile information when only the --admin-api-key is configured.
INFO
Published Date :
July 30, 2026, 7:17 p.m.
Last Modified :
Aug. 4, 2026, 8:41 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Ensure the --admin-api-key is not the only configuration for the endpoint.
- Review and restrict access to sensitive endpoints.
- Implement proper access controls for API keys.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-15977.
| URL | Resource |
|---|---|
| https://github.com/sgl-project/sglang/security/advisories/GHSA-jx7q-p32r-7wx8 | Broken Link |
| https://thoughts.apoorvdayal.com/posts/sglang-disclosures/ | Third Party Advisory Mitigation |
| https://thoughts.apoorvdayal.com/posts/sglang-disclosures/ | Third Party Advisory Mitigation |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-15977 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-15977
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-15977 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-15977 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Aug. 04, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:lmsys:sglang:*:*:*:*:*:*:*:* versions up to (including) 0.5.15 Added Reference Type CERT/CC: https://github.com/sgl-project/sglang/security/advisories/GHSA-jx7q-p32r-7wx8 Types: Broken Link Added Reference Type CERT/CC: https://thoughts.apoorvdayal.com/posts/sglang-disclosures/ Types: Mitigation, Third Party Advisory Added Reference Type CISA-ADP: https://thoughts.apoorvdayal.com/posts/sglang-disclosures/ Types: Mitigation, Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 31, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Added CWE CWE-522 Added Reference https://thoughts.apoorvdayal.com/posts/sglang-disclosures/ Added SSVC {'id': 'CVE-2026-15977', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-31T19:08:25.261318Z'} -
New CVE Received by [email protected]
Jul. 30, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'SGLang', 'product': 'SGLang', 'versions': [{'status': 'affected', 'version': '0', 'versionType': 'custom', 'lessThanOrEqual': 'v0.5.15'}]}] Added Description SGLang contains a credential leakage vulnerability in the /server_info endpoint, which will return API keys and SSL keyfile information when only the --admin-api-key is configured. Added Reference https://github.com/sgl-project/sglang/security/advisories/GHSA-jx7q-p32r-7wx8 Added Reference https://thoughts.apoorvdayal.com/posts/sglang-disclosures/