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Fencer Vulns
low 3.7

CVE-2023-49559 json

gqlparser denial of service vulnerability via the parserDirectives function

published 2024-06-12 2 y ago modified 2026-09-10 1 mo ago also GHSA-2hmf-46v7-v6fx , GO-2024-2920 , EUVD-2024-1883

cvss
3.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits
0
none known

Summary

An issue in vektah gqlparser open-source-library v.2.5.10 allows a remote attacker to cause a denial of service via a crafted script to the parserDirectives function.

Patch / fix

  • go github.com/vektah/gqlparser/v2 2.5.14
  • go github.com/vektah/gqlparser 2.5.14

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.60% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CNA 3.1 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
GitHub 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected packages

ecosystem package affected fixed in
go github.com/vektah/gqlparser/v2
<2.5.14
2.5.14
go github.com/vektah/gqlparser
<2.5.14
all versions
2.5.14

Classification

Weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling
  • CWE-400 Uncontrolled Resource Consumption

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.