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CVE-2026-8280

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.3 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to cause denial of service through excessive memory consumption due to improper input validation.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3ad374657cb4afd7c1bb72e736ebe89e0052e1866f89a90eaf07e0e5baa56bac
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":"18.9.7","status":"affected","version":"8.3","versionType":"semver"},{"lessThan":"18.10.6","status":"affected","version":"18.10","versionType":"semver"},{"lessThan":"18.11.3","status":"affected","version":"18.11","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:86ba31fc02cf4bc9ca6fcd5f44f7f0e4317dea8662d1ca0c91d90087a37a6f8c · sha256:5fb670aa295069c4… · /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:v2:86ba31fc02cf4bc9ca6fcd5f44f7f0e4317dea8662d1ca0c91d90087a37a6f8c · sha256:5fb670aa295069c4… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-770","description":"CWE-770: Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:86ba31fc02cf4bc9ca6fcd5f44f7f0e4317dea8662d1ca0c91d90087a37a6f8c · sha256:5fb670aa295069c4… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:86ba31fc02cf4bc9ca6fcd5f44f7f0e4317dea8662d1ca0c91d90087a37a6f8c · sha256:5fb670aa295069c4… · /containers/cna/references/2
{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/579035"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:86ba31fc02cf4bc9ca6fcd5f44f7f0e4317dea8662d1ca0c91d90087a37a6f8c · sha256:5fb670aa295069c4… · /containers/cna/references/0
{"name":"HackerOne Bug Bounty Report #3329085","tags":["technical-description","exploit","permissions-required"],"url":"https://hackerone.com/reports/3329085"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:86ba31fc02cf4bc9ca6fcd5f44f7f0e4317dea8662d1ca0c91d90087a37a6f8c · sha256:5fb670aa295069c4… · /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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