6.5
MEDIUM CVSS 3.1
CVE-2026-15974
CVE-2026-15974
Description

SGLang contains an SSRF and local file read in the multimodal generation endpoint /v1/chat/completions due to unsanitized image_url, allowing access to internal metadata, secrets, and services.

INFO

Published Date :

July 30, 2026, 7:17 p.m.

Last Modified :

Aug. 4, 2026, 8:42 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-15974 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Lmsys sglang
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 MEDIUM 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Sanitize image URLs and validate inputs to prevent SSRF and local file access.
  • Sanitize all image URLs provided to the endpoint.
  • Validate inputs to restrict access to local files.
  • Implement network controls to limit outbound requests.
  • Update SGLang to the latest version.
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-2026-15974.

URL Resource
https://github.com/sgl-project/sglang/security/advisories/GHSA-x7w5-h7rp-gfp9 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-2026-15974 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-2026-15974 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-2026-15974 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-15974 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-x7w5-h7rp-gfp9 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:L/UI:N/S:U/C:H/I:N/A:N
    Added CWE CWE-918
    Added Reference https://thoughts.apoorvdayal.com/posts/sglang-disclosures/
    Added SSVC {'id': 'CVE-2026-15974', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-31T19:25:23.555606Z'}
  • 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 an SSRF and local file read in the multimodal generation endpoint /v1/chat/completions due to unsanitized image_url, allowing access to internal metadata, secrets, and services.
    Added Reference https://github.com/sgl-project/sglang/security/advisories/GHSA-x7w5-h7rp-gfp9
    Added Reference https://thoughts.apoorvdayal.com/posts/sglang-disclosures/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.