CVE-2026-15978

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2026-15978
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-15978.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-15978
Aliases
  • GHSA-cpqq-22v3-2wfm
Published
2026-07-30T18:08:29.228Z
Modified
2026-08-12T03:51:35.325895952Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
CVE-2026-15978
Details

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.

Database specific 
{
    "cna_assigner": "certcc",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/15xxx/CVE-2026-15978.json"
}
References

Affected packages

Git / github.com/sgl-project/sglang

Affected ranges

Type
GIT
Repo
https://github.com/sgl-project/sglang
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
f63458b5beaceabbd9d749b9fc956370e1b649e6
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "v0.5.15"
        },
        {
            "last_affected": "0.5.15"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ],
    "cpe": "cpe:2.3:a:lmsys:sglang:*:*:*:*:*:*:*:*"
}

Affected versions

gateway-v0.*
gateway-v0.1.5
gateway-v0.1.6
gateway-v0.1.7
gateway-v0.1.8
gateway-v0.1.9
gateway-v0.2.0
gateway-v0.2.1
gateway-v0.2.2
gateway-v0.2.3
gateway-v0.2.4
gateway-v0.3.0
gateway-v0.3.1
v0.*
v0.1.10
v0.1.11
v0.1.12
v0.1.13
v0.1.14
v0.1.15
v0.1.16
v0.1.17
v0.1.18
v0.1.19
v0.1.20
v0.1.21
v0.1.22
v0.1.23
v0.1.24
v0.1.3
v0.1.5
v0.1.6
v0.1.7
v0.1.8
v0.1.9
v0.2.0
v0.2.10
v0.2.11
v0.2.12
v0.2.13
v0.2.14
v0.2.14.post1
v0.2.14.post2
v0.2.15
v0.2.5
v0.2.6
v0.2.7
v0.2.8
v0.2.9
v0.2.9.post1
v0.3.0
v0.3.1.post1
v0.3.1.post2
v0.3.1.post3
v0.3.2
v0.3.3
v0.3.3.post1
v0.3.4
v0.3.4.post1
v0.3.4.post2
v0.3.5
v0.3.5.post1
v0.3.5.post2
v0.3.6
v0.3.6.post1
v0.3.6.post2
v0.3.6.post3
v0.4.0
v0.4.0.post1
v0.4.0.post2
v0.4.1
v0.4.1.post1
v0.4.1.post2
v0.4.1.post3
v0.4.1.post4
v0.4.1.post5
v0.4.1.post6
v0.4.1.post7
v0.4.10
v0.4.10.post1
v0.4.10.post2
v0.4.2
v0.4.2.post1
v0.4.2.post2
v0.4.2.post3
v0.4.2.post4
v0.4.3
v0.4.3.post1
v0.4.3.post2
v0.4.3.post3
v0.4.3.post4
v0.4.4
v0.4.4.post1
v0.4.4.post2
v0.4.4.post3
v0.4.4.post4
v0.4.5
v0.4.5.post1
v0.4.5.post2
v0.4.5.post3
v0.4.6
v0.4.6.post1
v0.4.6.post2
v0.4.6.post3
v0.4.6.post4
v0.4.6.post5
v0.4.7
v0.4.7.post1
v0.4.8
v0.4.8.post1
v0.4.9
v0.4.9.post1
v0.4.9.post2
v0.4.9.post3
v0.4.9.post4
v0.4.9.post5
v0.4.9.post6
v0.5.0rc0
v0.5.0rc1
v0.5.0rc2
v0.5.1
v0.5.1.post1
v0.5.1.post2
v0.5.1.post3
v0.5.15
v0.5.2
v0.5.2rc0
v0.5.2rc1
v0.5.2rc2
v0.5.3
v0.5.3.post1
v0.5.3.post2
v0.5.3.post3
v0.5.3rc0
v0.5.3rc1
v0.5.3rc2
v0.5.4
v0.5.4.post1
v0.5.4.post2
v0.5.4.post3
v0.5.5
v0.5.5.post1
v0.5.5.post2
v0.5.5.post3
v0.5.6
v0.5.6.post1
v0.5.6.post2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-15978.json"