Is CVE-2026-7836 in the CISA KEV catalog?

No. CVE-2026-7836 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-7836?

CVE-2026-7836 has a CVSS v3 base score of 3.1 (LOW).

What is the EPSS score for CVE-2026-7836?

CVE-2026-7836 has an EPSS score of 0.26% (17th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-7836?

Upgrade netatalk on debian unstable to 4.5.0~ds-1 or later.

CVE & CISA-KEV Catalog

CVE-2026-7836

LOW

3.1

CVSS v3

NVD

Description

An incorrect calculation in the hextoint macro in Netatalk 2.0.0 through 4.4.2 due to improper uppercase character handling allows a remote authenticated attacker to cause limited data modification via crafted hexadecimal input.

CWE-682

How to fix

Remediation Available

netatalkDebian

Fixed in:4.5.0~ds-1CVE-2026-7836

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 ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.26%probability of exploitation in 30 days

17thpercentile

Low risk: more likely to be exploited than 17% of all known CVEs.

References

Other references1

netatalk.io

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Markdown

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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 2026-05-21.