[UPDATE] [high] docker: Multiple vulnerabilities

highCVE-2026-33747 CVE-2026-33748 CVE-2026-33997 CVE-2026-34040

A local attacker can exploit multiple vulnerabilities in docker to bypass security measures and disclose information.

CSIRTS triage

vendor: docker product: docker Authentication bypass Information disclosure

What: A local attacker can exploit multiple vulnerabilities in docker to bypass security measures and disclose information.
Who is affected: Deployments of docker are affected.
Urgency: Remediation is urgent due to the high severity of the vulnerabilities.
Action: Update to the latest version of docker.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch docker

Get an email when a new docker advisory drops — max one per day, one-click unsubscribe.

Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: high
Published: 2026-08-17
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0873

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-337470.50% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 40% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-337480.46% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 38% of all EPSS-scored CVEs.
Low exploitation riskCVE-2026-339970.39% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 31% of all EPSS-scored CVEs.
Moderate exploitation riskCVE-2026-340409.6% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 95% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-33747	coverage & exploitation status	NVD · CVE.org
CVE-2026-33748	coverage & exploitation status	NVD · CVE.org
CVE-2026-33997	coverage & exploitation status	NVD · CVE.org
CVE-2026-34040	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for docker

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

highCVE-2026-55581: mcp-shell is an MCP server for running shell commands securely, auditably, and on demand. Prio…nvd · 2026-08-25
highCVE-2026-78122: docker-socket-proxy fails to properly gate read endpoints in the /containers Docker API namesp…nvd · 2026-08-22
medium[UPDATE] [medium] docker: Multiple Vulnerabilitiescert-bund · 2026-08-21
highCVE-2026-49217: Mailu is a mail server as a set of Docker images. Prior to version 2024.06.52, a missing autho…nvd · 2026-08-20
unknownCVE-2026-13760 - OS Command Injection in NodejsFunction Docker Bundling in aws-cdk-libaws · 2026-08-20
medium[UPDATE] [medium] docker: Multiple vulnerabilitiescert-bund · 2026-08-20