Is CVE-2026-28909 in the CISA KEV catalog?

No. CVE-2026-28909 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-28909?

CVE-2026-28909 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2026-28909?

CVE-2026-28909 has an EPSS score of 0.20% (10th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-28909?

Upgrade container to 0.12.3 or later.

CVE & CISA-KEV Catalog

CVE-2026-28909

MEDIUM

6.5

CVSS v3

NVD

Description

Users who connect to malicious registries with hostnames matching the bypass patterns will have their registry credentials exposed in plaintext. This issue is fixed in container version 0.12.3.

CWE-522

How to fix

Remediation Available

containerNVD

Affected:< 0.12.3Fixed in:0.12.3CVE-2026-28909derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Exploit Intelligence

0.20%probability of exploitation in 30 days

10thpercentile

Low risk: more likely to be exploited than 10% of all known CVEs.

References

Vendor Advisory1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-04.