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go.etcd.io/etcd/v3

10 known vulnerabilities (3 high, 3 medium), with the versions each affects and the releases that fix them.

Latest release
v3.7.3 (Oct 22, 2026): no advisory affects it
Newest unaffected release
v3.7.3 (Oct 22, 2026), the latest release
Advisories
10 · 3 high, 3 medium
Releases
76 since v3.5.0 (Jun 15, 2021)
Registry
pkg.go.dev
Releases read
Nov 8, 2026

Version timeline

  • CVE-2026-73500
    Affects v3.5.0-alpha.0 to v3.5.32 (v3.5.33 is outside it); v3.6.0 to v3.6.13 (v3.6.14 is outside it); v3.7.0-alpha.0 to v3.7.0 (v3.7.1 is outside it)
  • CVE-2026-73499
    Affects v3.5.0-alpha.0 to v3.5.32 (v3.5.33 is outside it); v3.6.0 to v3.6.13 (v3.6.14 is outside it); v3.7.0-alpha.0 to v3.7.0 (v3.7.1 is outside it)
  • CVE-2026-44283
    Affects v3.5.0 to v3.5.29 (v3.5.30 is outside it); v3.6.0 to v3.6.10 (v3.6.11 is outside it)
  • CVE-2026-33413
    Affects v3.5.0-alpha.0 to v3.5.27 (v3.5.28 is outside it); v3.6.0-alpha.0 to v3.6.8 (v3.6.9 is outside it)
  • CVE-2026-33343
    Affects v3.5.0-alpha.0 to v3.5.27 (v3.5.28 is outside it); v3.6.0-alpha.0 to v3.6.8 (v3.6.9 is outside it)
  • CVE-2021-28235
    No published release is affected
    No published release is affected
  • CVE-2020-15112
    No published release is affected
    No published release is affected
  • CVE-2020-15106
    No published release is affected
    No published release is affected
  • CVE-2018-16886
    No published release is affected
    No published release is affected
  • CVE-2018-1098
    No published release is affected
    No published release is affected
Every release cve.now has on record, lowest version on the left; each bar is a run of versions an advisory affects.

Advisories 10

  • etcd: `tlsListener.acceptLoop` spawns unbounded handshake goroutines with no deadline

    Affected: from 3.7.0-alpha.0, fixed in 3.7.1; from 3.6.0, fixed in 3.6.14; fixed in 3.5.33.

    Fixed in v3.5.33 (released Jul 23, 2026, 20 days before disclosure), v3.6.14 (released Jul 23, 2026, 20 days before disclosure) and v3.7.1 (released Jul 23, 2026, 20 days before disclosure).

    The latest release, v3.7.3, is not affected.

  • etcd: Watch API authorization bypass via open-ended range requests

    Affected: from 3.7.0-alpha.0, fixed in 3.7.1; from 3.6.0, fixed in 3.6.14; fixed in 3.5.33.

    Fixed in v3.5.33 (released Jul 23, 2026, 20 days before disclosure), v3.6.14 (released Jul 23, 2026, 20 days before disclosure) and v3.7.1 (released Jul 23, 2026, 20 days before disclosure).

    The latest release, v3.7.3, is not affected.

  • etcd: Read access via PrevKv in etcd transactions may bypass RBAC authorization checks

    Affected: from 3.6.0, fixed in 3.6.11; from 3.5.0, fixed in 3.5.30.

    Fixed in v3.5.30 (released May 1, 2026, 13 days before disclosure) and v3.6.11 (released May 1, 2026, 13 days before disclosure).

    The latest release, v3.7.3, is not affected.

  • etcd: Authorization bypasses in multiple APIs

    Affected: fixed in 3.4.42; from 3.5.0-alpha.0, fixed in 3.5.28; from 3.6.0-alpha.0, fixed in 3.6.9; from 3.6.0-alpha.0, fixed in 3.6.9; from 3.5.0-alpha.0, fixed in 3.5.28; fixed in 3.4.42.

    Fixed in v3.5.28 (released Mar 20, 2026, 6 days before disclosure, the advisory names 3.4.42, which was never published) and v3.6.9 (released Mar 20, 2026, 6 days before disclosure).

    The latest release, v3.7.3, is not affected.

  • etcd: Nested etcd transactions bypass RBAC authorization checks

    Affected: from 3.6.0-alpha.0, fixed in 3.6.9; from 3.5.0-alpha.0, fixed in 3.5.28; fixed in 3.4.42; fixed in 3.4.42; from 3.5.0-alpha.0, fixed in 3.5.28; from 3.6.0-alpha.0, fixed in 3.6.9.

    Fixed in v3.5.28 (released Mar 20, 2026, 6 days before disclosure, the advisory names 3.4.42, which was never published) and v3.6.9 (released Mar 20, 2026, 6 days before disclosure).

    The latest release, v3.7.3, is not affected.

  • Authentication vulnerability found in Etcd-io v.3.4.10 allows remote attackers to escalate privileges via the debug function.

    Affected: versions 3.4.10.

    Fixed in v3.5.0 (released Jun 15, 2021, 658 days before disclosure), the first release outside every affected range (no listed fixed version clears them all).

    The latest release, v3.7.3, is not affected.

  • CVE-2020-15112Medium 6.5

    Improper Input Validation in etcd

    Affected: fixed in 3.3.23; from 3.4.0, fixed in 3.4.10.

    Fixed in v3.5.0 (released Jun 15, 2021, 314 days after disclosure, the advisory names 3.3.23, which was never published).

    The latest release, v3.7.3, is not affected.

  • CVE-2020-15106Medium 6.5

    Improper Input Validation in etcd

    Affected: fixed in 3.3.23; from 3.4.0, fixed in 3.4.10.

    Fixed in v3.5.0 (released Jun 15, 2021, 314 days after disclosure, the advisory names 3.3.23, which was never published).

    The latest release, v3.7.3, is not affected.

  • CVE-2018-16886Medium 6.8

    etcd versions 3.2.x before 3.2.26 and 3.3.x before 3.3.11 are vulnerable to an improper authentication issue when role-based access…

    Affected: from 3.2.0, fixed in 3.2.26; from 3.3.0, fixed in 3.3.11.

    Fixed in v3.5.0 (released Jun 15, 2021, 883 days after disclosure, the advisory names 3.2.26, which was never published).

    The latest release, v3.7.3, is not affected.

  • A cross-site request forgery flaw was found in etcd 3.3.1 and earlier.

    Affected: fixed in 3.4.0.

    Fixed in v3.5.0 (released Jun 15, 2021, 1169 days after disclosure, the advisory names 3.4.0, which was never published).

    The latest release, v3.7.3, is not affected.