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CVE-2026-40924

Tekton Pipelines project provides k8s-style resources for declaring CI/CD-style pipelines. Starting in version 1.0.0 and prior to versions 1.0.2, 1.3.4, 1.6.2, 1.9.3, and 1.11.1, the HTTP resolver's FetchHttpResource function calls io.ReadAll(resp.Body) with no response body size limit. Any tenant with permission to create TaskRuns or PipelineRuns that reference the HTTP resolver can point it at an attacker-controlled HTTP server that returns a very large response body within the 1-minute timeou
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e0d0d93414cdadc6e2587213a69056f65111b60ca36a5907bcebfb0bbe8044b1
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"pipeline","vendor":"tektoncd","versions":[{"status":"affected","version":">= 1.0.0, < 1.0.2"},{"status":"affected","version":">= 1.2.0, < 1.3.4"},{"status":"affected","version":">= 1.4.0, < 1.6.2"},{"status":"affected","version":">= 1.7.0, < 1.9.3"},{"status":"affected","version":">= 1.10.0, < 1.11.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2e5594da30fa68aa1f448ef4c93d7d20bfa8604f8be111a57083d997220f185c · sha256:cc014254041cfbc6… · /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:v2:2e5594da30fa68aa1f448ef4c93d7d20bfa8604f8be111a57083d997220f185c · sha256:cc014254041cfbc6… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2e5594da30fa68aa1f448ef4c93d7d20bfa8604f8be111a57083d997220f185c · sha256:cc014254041cfbc6… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/tektoncd/pipeline/releases/tag/v1.11.1","tags":["x_refsource_MISC"],"url":"https://github.com/tektoncd/pipeline/releases/tag/v1.11.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2e5594da30fa68aa1f448ef4c93d7d20bfa8604f8be111a57083d997220f185c · sha256:cc014254041cfbc6… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/tektoncd/pipeline/security/advisories/GHSA-m2cx-gpqf-qf74"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2e5594da30fa68aa1f448ef4c93d7d20bfa8604f8be111a57083d997220f185c · sha256:cc014254041cfbc6… · /containers/adp/0/references/0
{"name":"https://github.com/tektoncd/pipeline/security/advisories/GHSA-m2cx-gpqf-qf74","tags":["x_refsource_CONFIRM"],"url":"https://github.com/tektoncd/pipeline/security/advisories/GHSA-m2cx-gpqf-qf74"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2e5594da30fa68aa1f448ef4c93d7d20bfa8604f8be111a57083d997220f185c · sha256:cc014254041cfbc6… · /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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