What’s Vulnerable › Vulnerabilities

CVE-2026-15978: CVE-2026-15978

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-30 · updated 2026-08-04
• Weakness: CWE-306

Description

SGLang contains a model weight exfiltration vulnerability when no API keys are configured, as SGLang will expose two endpoints that allow a remote attacker to trigger distributed weight broadcasting using NCCL and then triggering data transfer, attackers can exfiltrate all model weights.

Affected products

• SGLang: through 0.5.15

References

• https://github.com/sgl-project/sglang/security/advisories/GHSA-cpqq-22v3-2wfm
• https://thoughts.apoorvdayal.com/posts/sglang-disclosures/
• https://thoughts.apoorvdayal.com/posts/sglang-disclosures/

Get alerted when CVE-2026-15978 or the next vulnerability affects your stack