CVE-2026-57231: Podman: Malformed Image can trick podman run into leaking host environment variables into the container

highCVSS 7.5CVE-2026-57231

CSIRTS triage

vendor: Podman product: PodmanOther

What: Malformed Image can trick podman run into leaking host environment variables into the container.
Who is affected: Deployments of Podman.
Urgency: Remediation is urgent due to the high severity and potential for information leakage.
Action: Update Podman to the latest version.

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

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: high — CVSS 7.5
Published: 2026-06-09
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57231

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-2026-572310.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-57231	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 Podman

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.

high[UPDATE] [high] Podman: Vulnerability allows bypassing security measurescert-bund · 2026-07-09
high[UPDATE] [high] Podman: Vulnerability allows file manipulationcert-bund · 2026-07-09
medium[UPDATE] [medium] Podman: Vulnerability allows information disclosurecert-bund · 2026-07-09
highCVE-2026-57231: Podman is a tool for managing OCI containers and pods. From 1.8.1 until 5.8.4, a container ima…nvd · 2026-06-26
mediumCVE-2026-55686: Podman is a tool for managing OCI containers and pods. From 3.0.0 until 5.7.1, running a malic…nvd · 2026-06-26