Is go.etcd.io/etcd/v3 affected by CVE-2026-44283?

Go go.etcd.io/etcd/v3 is affected in >=3.6.0 =3.5.0 <3.5.30.

Is CVE-2026-44283 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

low

CVE-2026-44283

Q: Is CVE-2026-44283 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

Go · go.etcd.io/etcd/v3 • Go · go.etcd.io/etcd

Summary

etcd RBAC bypass allows unauthorized data access via PrevKv/lease attachment in nested transaction Put requests

Severity: low
EPSS: 0.2% (p13)
Also known as: GHSA-x35m-3gp4-4fh5#go.etcd.io/etcd, GHSA-x35m-3gp4-4fh5#go.etcd.io/etcd/v3, BIT-etcd-2026-44283
Published: 2026-05-07

References

https://github.com/etcd-io/etcd/security/advisories/GHSA-x35m-3gp4-4fh5
https://nvd.nist.gov/vuln/detail/CVE-2026-44283
https://github.com/etcd-io/etcd

Related advisories

CVE-2026-33413 — medium · Go/go.etcd.io/etcd/v3
CVE-2026-33343 — medium · Go/go.etcd.io/etcd/v3

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.