Description
SGLangs `replay_request_dump.py` contains an insecure pickle.load() without validation and proper deserialization. An attacker can take advantage of this by providing a malicious .pkl file, which will execute the attackers code on the device running the script.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.49% · top 58% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
- CWE-502: Deserialization of Untrusted Data
- CWE-502 (opens in a new tab)All about CWE-502 and its CVEs
Affected products
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPIsglangGHSA-hvwj-8w5g-28rg (opens in a new tab)
References (4)
- https://github.com/sgl-project/sglang/blob/main/scripts/playground/replay_request_dump.py (opens in a new tab)
- https://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities/ (opens in a new tab)
- https://github.com/sgl-project/sglang/releases/tag/v0.5.10 (opens in a new tab)
- https://github.com/sgl-project/sglang/pull/20904 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-hvwj-8w5g-28rg (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-3989)Record last updated .