- 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-2026-73500Affects 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-2026-73499Affects 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-2026-44283Affects 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-2026-33413Affects 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-2026-33343Affects 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-2021-28235No published release is affectedNo published release is affected
- CVE-2020-15112No published release is affectedNo published release is affected
- CVE-2020-15106No published release is affectedNo published release is affected
- CVE-2018-16886No published release is affectedNo published release is affected
- CVE-2018-1098No published release is affectedNo published release is affected
Advisories 10
- CVE-2026-73500High 8.7
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.
- CVE-2026-73499High 7.1
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.
- CVE-2026-44283None 0.0
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.
- CVE-2026-33413High 8.8
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.
- CVE-2026-33343None 0.0
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.
- CVE-2021-28235Unrated
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.
- CVE-2018-1098Unrated
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.