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Fencer Vulns
high 7.5

CVE-2023-38976 json

Weaviate denial of service vulnerability

published 2023-08-21 3 y ago modified 2026-09-10 1 mo ago also GHSA-8697-479h-5mfp , GO-2023-2017 , EUVD-2023-2241

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

An issue in weaviate v.1.20.0 allows a remote attacker to cause a denial of service via the handleUnbatchedGraphQLRequest function.

Patch / fix

  • go github.com/weaviate/weaviate 1.18.6, 1.19.13, 1.20.6

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

2.14% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/weaviate/weaviate/issues/3258 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
go github.com/weaviate/weaviate
>=1.20.0, <1.20.6
>=1.19.0, <1.19.13
<1.18.6
1.20.6
1.19.13
1.18.6

Classification

Weakness
  • CWE-617 Reachable Assertion
  • CWE-704 Incorrect Type Conversion or Cast

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.