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CVE-2026-1101

GitLab has remediated an issue in GitLab EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to cause denial of service to the GitLab instance due to improper input validation in GraphQL queries.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d86a5f5c36164832420424cfc75ddd3c950bc49959f4fa491f0512ea5990b02b
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","product":"GitLab","repo":"git://git@gitlab.com:gitlab-org/gitlab.git","vendor":"GitLab","versions":[{"lessThan":"18.8.9","status":"affected","version":"18.2","versionType":"semver"},{"lessThan":"18.9.5","status":"affected","version":"18.9","versionType":"semver"},{"lessThan":"18.10.3","status":"affected","version":"18.10","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fa7948cc44eaf91f9bc4246655cd9434ec7066d071b7c6a3015930e433eb6aae · sha256:d96aae16bcbdb37c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fa7948cc44eaf91f9bc4246655cd9434ec7066d071b7c6a3015930e433eb6aae · sha256:d96aae16bcbdb37c… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-1284","description":"CWE-1284: Improper Validation of Specified Quantity in Input","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fa7948cc44eaf91f9bc4246655cd9434ec7066d071b7c6a3015930e433eb6aae · sha256:d96aae16bcbdb37c… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fa7948cc44eaf91f9bc4246655cd9434ec7066d071b7c6a3015930e433eb6aae · sha256:d96aae16bcbdb37c… · /containers/cna/references/2
{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/586488"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fa7948cc44eaf91f9bc4246655cd9434ec7066d071b7c6a3015930e433eb6aae · sha256:d96aae16bcbdb37c… · /containers/cna/references/1
{"name":"HackerOne Bug Bounty Report #3460228","tags":["technical-description","exploit","permissions-required"],"url":"https://hackerone.com/reports/3460228"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fa7948cc44eaf91f9bc4246655cd9434ec7066d071b7c6a3015930e433eb6aae · sha256:d96aae16bcbdb37c… · /containers/cna/references/0

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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