How severe is CVE-2026-15974?

CVE-2026-15974 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-15974 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-15974?

CVE-2026-15974 affects Lmsys Sglang. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-15974?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-15974 published?

CVE-2026-15974 was published on 2026-07-30 and last updated on 2026-08-04.

CVE-2026-15974

CVE-2026-15974 is a medium-severity vulnerability in Lmsys Sglang with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Lmsys Sglang
Published: 2026-07-30
Last modified: 2026-08-04

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.

Frequently asked questions

What is CVE-2026-15974?: 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.
How severe is CVE-2026-15974?: CVE-2026-15974 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-15974 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-15974?: CVE-2026-15974 affects Lmsys Sglang. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-15974?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-15974 published?: CVE-2026-15974 was published on 2026-07-30 and last updated on 2026-08-04.

References

Affected products (1)

cpe:2.3:a:lmsys:sglang:*:*:*:*:*:*:*:*

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