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CVE-2026-59818

etcd is a distributed key-value store for the data of a distributed system. Prior to 3.5.32 and 3.6.13, when etcd is configured with --listen-client-http-urls to split HTTP and gRPC client endpoints onto separate listeners, the --client-crl-file Certificate Revocation List is not enforced on the gRPC listener, allowing a client with a revoked certificate to authenticate successfully over gRPC. This issue is fixed in versions 3.5.32 and 3.6.13.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:73db43f24fd27e4b1d8f98048f2f7274bb32e17459410ef5fe0f3f9fef4fa5ce
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"etcd","vendor":"etcd-io","versions":[{"status":"affected","version":">= 3.6.0-alpha.0, < 3.6.13"},{"status":"affected","version":"< 3.5.32"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:04194b0dc6714d7483169bb8330e3084d6f32d93fc8ae2db4ed40eb804329fa6 · sha256:31eebe1abe6ace67… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:04194b0dc6714d7483169bb8330e3084d6f32d93fc8ae2db4ed40eb804329fa6 · sha256:31eebe1abe6ace67… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-295","description":"CWE-295: Improper Certificate Validation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:04194b0dc6714d7483169bb8330e3084d6f32d93fc8ae2db4ed40eb804329fa6 · sha256:31eebe1abe6ace67… · /containers/cna/problemTypes/0/descriptions/0

Source references

9 source assertions
{"name":"https://github.com/etcd-io/etcd/commit/2308ce1578064641d4d67c40f0487309267d1bef","tags":["x_refsource_MISC"],"url":"https://github.com/etcd-io/etcd/commit/2308ce1578064641d4d67c40f0487309267d1bef"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:04194b0dc6714d7483169bb8330e3084d6f32d93fc8ae2db4ed40eb804329fa6 · sha256:31eebe1abe6ace67… · /containers/cna/references/4
{"name":"https://github.com/etcd-io/etcd/commit/24838af5a53dd0245adced920e42a9bf0e7a267f","tags":["x_refsource_MISC"],"url":"https://github.com/etcd-io/etcd/commit/24838af5a53dd0245adced920e42a9bf0e7a267f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:04194b0dc6714d7483169bb8330e3084d6f32d93fc8ae2db4ed40eb804329fa6 · sha256:31eebe1abe6ace67… · /containers/cna/references/5
{"name":"https://github.com/etcd-io/etcd/commit/8221ae82bc25d4d55ca64382207b69be71038cbb","tags":["x_refsource_MISC"],"url":"https://github.com/etcd-io/etcd/commit/8221ae82bc25d4d55ca64382207b69be71038cbb"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:04194b0dc6714d7483169bb8330e3084d6f32d93fc8ae2db4ed40eb804329fa6 · sha256:31eebe1abe6ace67… · /containers/cna/references/6
{"name":"https://github.com/etcd-io/etcd/pull/22007","tags":["x_refsource_MISC"],"url":"https://github.com/etcd-io/etcd/pull/22007"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:04194b0dc6714d7483169bb8330e3084d6f32d93fc8ae2db4ed40eb804329fa6 · sha256:31eebe1abe6ace67… · /containers/cna/references/1
{"name":"https://github.com/etcd-io/etcd/pull/22021","tags":["x_refsource_MISC"],"url":"https://github.com/etcd-io/etcd/pull/22021"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:04194b0dc6714d7483169bb8330e3084d6f32d93fc8ae2db4ed40eb804329fa6 · sha256:31eebe1abe6ace67… · /containers/cna/references/2
{"name":"https://github.com/etcd-io/etcd/pull/22025","tags":["x_refsource_MISC"],"url":"https://github.com/etcd-io/etcd/pull/22025"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:04194b0dc6714d7483169bb8330e3084d6f32d93fc8ae2db4ed40eb804329fa6 · sha256:31eebe1abe6ace67… · /containers/cna/references/3
{"name":"https://github.com/etcd-io/etcd/releases/tag/v3.5.32","tags":["x_refsource_MISC"],"url":"https://github.com/etcd-io/etcd/releases/tag/v3.5.32"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:04194b0dc6714d7483169bb8330e3084d6f32d93fc8ae2db4ed40eb804329fa6 · sha256:31eebe1abe6ace67… · /containers/cna/references/7
{"name":"https://github.com/etcd-io/etcd/releases/tag/v3.6.13","tags":["x_refsource_MISC"],"url":"https://github.com/etcd-io/etcd/releases/tag/v3.6.13"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:04194b0dc6714d7483169bb8330e3084d6f32d93fc8ae2db4ed40eb804329fa6 · sha256:31eebe1abe6ace67… · /containers/cna/references/8
{"name":"https://github.com/etcd-io/etcd/security/advisories/GHSA-3wh4-j44w-pg92","tags":["x_refsource_CONFIRM"],"url":"https://github.com/etcd-io/etcd/security/advisories/GHSA-3wh4-j44w-pg92"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:04194b0dc6714d7483169bb8330e3084d6f32d93fc8ae2db4ed40eb804329fa6 · sha256:31eebe1abe6ace67… · /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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