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CVE-2026-3989

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3435bfb73a8fa6dfb3c43a14f3c98589c4e67bc67d558e059bc33cd14d4b1778
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"SGLang","vendor":"SGLang","versions":[{"status":"affected","version":"0.5.10"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5e11fadfaa5ddce8c3bc71c4fcd12f6c1c2693d90636799da1a2d1accd1c9948 · sha256:3d5b29bedc99b1da… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5e11fadfaa5ddce8c3bc71c4fcd12f6c1c2693d90636799da1a2d1accd1c9948 · sha256:3d5b29bedc99b1da… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"description":"CWE-502: Deserialization of Untrusted Data","lang":"en"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5e11fadfaa5ddce8c3bc71c4fcd12f6c1c2693d90636799da1a2d1accd1c9948 · sha256:3d5b29bedc99b1da… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"url":"https://github.com/sgl-project/sglang/blob/main/scripts/playground/replay_request_dump.py"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5e11fadfaa5ddce8c3bc71c4fcd12f6c1c2693d90636799da1a2d1accd1c9948 · sha256:3d5b29bedc99b1da… · /containers/cna/references/0
{"url":"https://github.com/sgl-project/sglang/pull/20904"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5e11fadfaa5ddce8c3bc71c4fcd12f6c1c2693d90636799da1a2d1accd1c9948 · sha256:3d5b29bedc99b1da… · /containers/cna/references/3
{"url":"https://github.com/sgl-project/sglang/releases/tag/v0.5.10"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5e11fadfaa5ddce8c3bc71c4fcd12f6c1c2693d90636799da1a2d1accd1c9948 · sha256:3d5b29bedc99b1da… · /containers/cna/references/2
{"url":"https://orca.security/resources/blog/sglang-llm-framework-rce-vulnerabilities/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5e11fadfaa5ddce8c3bc71c4fcd12f6c1c2693d90636799da1a2d1accd1c9948 · sha256:3d5b29bedc99b1da… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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