How severe is CVE-2026-24846?

CVE-2026-24846 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-24846 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-24846?

CVE-2026-24846 affects Chainguard Malcontent. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-24846?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-24846 have an EU (EUVD) identifier?

Yes. CVE-2026-24846 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4947.

When was CVE-2026-24846 published?

CVE-2026-24846 was published on 2026-01-29 and last updated on 2026-06-17.

CVE-2026-24846

CVE-2026-24846 is a medium-severity vulnerability in Chainguard Malcontent with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-4947
Weakness: CWE-22
Affected product: Chainguard Malcontent
Published: 2026-01-29
Last modified: 2026-06-17

Description

malcontent discovers supply-chain compromises through. context, differential analysis, and YARA. Starting in version 1.8.0 and prior to version 1.20.3, malcontent could be made to create symlinks outside the intended extraction directory when scanning a specially crafted tar or deb archive. The `handleSymlink` function received arguments in the wrong order, causing the symlink target to be used as the symlink location. Additionally, symlink targets were not validated to ensure they resolved within the extraction directory. Version 1.20.3 introduces fixes that swap handleSymlink arguments, validate symlink location, and validate symlink targets that resolve within an extraction directory.

Frequently asked questions

What is CVE-2026-24846?: malcontent discovers supply-chain compromises through. context, differential analysis, and YARA. Starting in version 1.8.0 and prior to version 1.20.3, malcontent could be made to create symlinks outside the intended extraction directory when scanning a specially crafted tar or deb archive. The `handleSymlink` function received arguments in the wrong order, causing the symlink target to be used as the symlink location. Additionally, symlink targets were not validated to ensure they resolved within the extraction directory. Version 1.20.3 introduces fixes that swap handleSymlink arguments, validate symlink location, and validate symlink targets that resolve within an extraction directory.
How severe is CVE-2026-24846?: CVE-2026-24846 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-24846 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-24846?: CVE-2026-24846 affects Chainguard Malcontent. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-24846?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-24846 have an EU (EUVD) identifier?: Yes. CVE-2026-24846 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4947.
When was CVE-2026-24846 published?: CVE-2026-24846 was published on 2026-01-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:chainguard:malcontent:*:*:*:*:*:*:*:*

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