CVE-2026-44058: netatalk Improper Authentication
CVSS: 7.2v3.1HighDeferred
AliasesUBUNTU-CVE-2026-44058DEBIAN-CVE-2026-44058
Published 21-05-2026Last modified 22-05-2026
Vulnerability summary
CVE-2026-44058 is a high (CVSS 7.2) Improper Authentication vulnerability in netatalk. EPSS estimates a 0.73% chance of exploitation in the next 30 days, higher than 53.6% of scored vulnerabilities.
CVSS score
7.2/10
010
High · v3.1 (NVD)EPSS score
0.73%
0%100%
Low · +0.20 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 21-05-2026PublishedVulnerability first disclosed.
- 22-05-2026Last modifiedVulnerability information updated.
Description
An authentication bypass vulnerability in Netatalk 2.2.2 through 4.4.2 allows a remote privileged user to authenticate as an arbitrary user via the admin auth user mechanism.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 7.2Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HSources4 sources · 6.4–7.2
- CVE.orgCNA6.4MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated7.2HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.2HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.73%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
+0.20 pp
From 0.53% on 20-09-2026
20-09-202620-10-2026
EPSS score0.73%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- netatalkAll versions (No fix recorded) | < 4.5.0~ds-1
Netatalk1 product
- netatalk≥ 2.2.2, ≤ 4.4.2
Ubuntu1 product
- netatalkAll versions (No fix recorded)
3 vendors · 3 products