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CVE-2026-62290

cert-manager adds certificates and certificate issuers as resource types in Kubernetes clusters, and simplifies the process of obtaining, renewing and using those certificates. From 1.18.0 until 1.19.6 and 1.20.3, Challenge resources under acme.cert-manager.io can be created directly by namespace users without admission validation tying the Challenge to an Order, owner reference, or Issuer-selected solver, allowing attacker-controlled Challenge.spec.solver values referencing a ClusterIssuer to b
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5c46c638a36a8d1d3ed35ed0d3da226123cd5715011990d4a12eb7b5e020b4b0
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"cert-manager","vendor":"cert-manager","versions":[{"status":"affected","version":">= 1.18.0, < 1.19.6"},{"status":"affected","version":">= 1.20.0, < 1.20.3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:316b298c70a1eb1c2afead96c4cdb25a8bb74158fded427a135abd6fb664eddb · sha256:253e5bc7e96ee718… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":7.3,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:316b298c70a1eb1c2afead96c4cdb25a8bb74158fded427a135abd6fb664eddb · sha256:253e5bc7e96ee718… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:316b298c70a1eb1c2afead96c4cdb25a8bb74158fded427a135abd6fb664eddb · sha256:253e5bc7e96ee718… · /containers/cna/problemTypes/0/descriptions/0

Source references

8 source assertions
{"name":"https://github.com/cert-manager/cert-manager/commit/6bda47297c8fbc6b121b8b76624b668d26f1a155","tags":["x_refsource_MISC"],"url":"https://github.com/cert-manager/cert-manager/commit/6bda47297c8fbc6b121b8b76624b668d26f1a155"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:316b298c70a1eb1c2afead96c4cdb25a8bb74158fded427a135abd6fb664eddb · sha256:253e5bc7e96ee718… · /containers/cna/references/3
{"name":"https://github.com/cert-manager/cert-manager/commit/b37dbf01ecea50a0b3a19df0a7fe4c5ad6803f16","tags":["x_refsource_MISC"],"url":"https://github.com/cert-manager/cert-manager/commit/b37dbf01ecea50a0b3a19df0a7fe4c5ad6803f16"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:316b298c70a1eb1c2afead96c4cdb25a8bb74158fded427a135abd6fb664eddb · sha256:253e5bc7e96ee718… · /containers/cna/references/4
{"name":"https://github.com/cert-manager/cert-manager/pull/8940","tags":["x_refsource_MISC"],"url":"https://github.com/cert-manager/cert-manager/pull/8940"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:316b298c70a1eb1c2afead96c4cdb25a8bb74158fded427a135abd6fb664eddb · sha256:253e5bc7e96ee718… · /containers/cna/references/1
{"name":"https://github.com/cert-manager/cert-manager/pull/8941","tags":["x_refsource_MISC"],"url":"https://github.com/cert-manager/cert-manager/pull/8941"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:316b298c70a1eb1c2afead96c4cdb25a8bb74158fded427a135abd6fb664eddb · sha256:253e5bc7e96ee718… · /containers/cna/references/2
{"name":"https://github.com/cert-manager/cert-manager/releases/tag/v1.19.6","tags":["x_refsource_MISC"],"url":"https://github.com/cert-manager/cert-manager/releases/tag/v1.19.6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:316b298c70a1eb1c2afead96c4cdb25a8bb74158fded427a135abd6fb664eddb · sha256:253e5bc7e96ee718… · /containers/cna/references/5
{"name":"https://github.com/cert-manager/cert-manager/releases/tag/v1.20.3","tags":["x_refsource_MISC"],"url":"https://github.com/cert-manager/cert-manager/releases/tag/v1.20.3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:316b298c70a1eb1c2afead96c4cdb25a8bb74158fded427a135abd6fb664eddb · sha256:253e5bc7e96ee718… · /containers/cna/references/6
{"name":"https://github.com/cert-manager/cert-manager/security/advisories/GHSA-8rvj-mm4h-c258","tags":["x_refsource_CONFIRM"],"url":"https://github.com/cert-manager/cert-manager/security/advisories/GHSA-8rvj-mm4h-c258"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:316b298c70a1eb1c2afead96c4cdb25a8bb74158fded427a135abd6fb664eddb · sha256:253e5bc7e96ee718… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/cert-manager/cert-manager/security/advisories/GHSA-8rvj-mm4h-c258"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:316b298c70a1eb1c2afead96c4cdb25a8bb74158fded427a135abd6fb664eddb · sha256:253e5bc7e96ee718… · /containers/adp/0/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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