CVE-2026-44054
Predictable afpd session token
CVE-2026-44054 is a medium vulnerability (CVSS 6.5) in Netatalk, published May 21, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.28%, the 20th percentile. Fixed in netatalk 4.4.3-r0.
- Severity
- 6.5 MediumCVSS 3.1, CVE List
- Exploit chance
- 0.28%EPSS, 20th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
4.4.3-r0netatalk +10 more
Description
Netatalk 2.0.0 through 4.4.2 generates AFP session tokens derived from predictable process IDs, which allows a remote authenticated attacker to cause a denial of service by exploiting the reconnect mechanism.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
netatalkAlpine:v3.24 | before 4.4.3-r0 | 4.4.3-r0 |
netatalkDebian:13 | before 4.2.3~ds-1+deb13u2, plus listed versions 4.2.3~ds-14.2.3~ds-1+deb13u1 | 4.2.3~ds-1+deb13u2 |
netatalkDebian:14 | before 4.4.3~ds-1, plus listed versions 4.2.3~ds-14.2.3~ds-24.2.3~ds-2.14.4.1~ds-14.4.2~ds-1 | 4.4.3~ds-1 |
netatalkUbuntu:Pro:14.04:LTS | All versions, plus listed versions 2.2.2-1ubuntu12.2.2-1ubuntu22.2.2-1ubuntu2.22.2.2-1ubuntu2.2+esm12.2.2-1ubuntu2.2+esm22.2.2-1ubuntu2.2+esm32.2.2-1ubuntu2.2+esm4 | None known |
netatalkUbuntu:Pro:16.04:LTS | All versions, plus listed versions 2.2.5-12.2.5-1ubuntu0.22.2.5-1ubuntu0.2+esm12.2.5-1ubuntu0.2+esm22.2.5-1ubuntu0.2+esm32.2.5-1ubuntu0.2+esm4 | None known |
netatalkUbuntu:Pro:18.04:LTS | All versions, plus listed versions 2.2.6-12.2.6-1ubuntu0.18.04.22.2.6-1ubuntu0.18.04.2+esm12.2.6-1ubuntu0.18.04.2+esm22.2.6-1ubuntu0.18.04.2+esm32.2.6-1ubuntu0.18.04.2+esm4 | None known |
netatalkUbuntu:Pro:20.04:LTS | All versions, plus listed versions 3.1.12~ds-33.1.12~ds-43.1.12~ds-4ubuntu0.20.04.13.1.12~ds-4ubuntu0.20.04.33.1.12~ds-4ubuntu0.20.04.3+esm13.1.12~ds-4ubuntu0.20.04.43.1.12~ds-4ubuntu0.20.04.4+esm13.1.12~ds-4ubuntu0.20.04.4+esm2 | None known |
netatalkUbuntu:Pro:22.04:LTS | All versions, plus listed versions 3.1.12~ds-93.1.12~ds-9build13.1.12~ds-9ubuntu0.22.04.13.1.12~ds-9ubuntu0.22.04.33.1.12~ds-9ubuntu0.22.04.3+esm13.1.12~ds-9ubuntu0.22.04.43.1.12~ds-9ubuntu0.22.04.4+esm13.1.12~ds-9ubuntu0.22.04.4+esm2 | None known |
netatalkUbuntu:Pro:24.04:LTS | All versions, plus listed versions 3.1.15~ds-1ubuntu13.1.18~ds-13.1.18~ds-1build23.1.18~ds-1build43.1.18~ds-1ubuntu0.1~esm13.1.18~ds-1ubuntu0.1~esm23.1.18~ds-1ubuntu0.1~esm3 | None known |
netatalkUbuntu:25.10 | All versions, plus listed versions 4.1.2~ds-44.2.1~ds-14.2.3~ds-1 | None known |
netatalkUbuntu:26.04:LTS | All versions, plus listed versions 4.2.3~ds-14.2.3~ds-24.2.3~ds-2.14.2.3~ds-2.1ubuntu0.14.2.3~ds-2.1ubuntu0.2 | None known |
What each source reports
CVE List Score used
Predictable afpd session token
Netatalk 2.0.0 through 4.4.2 generates AFP session tokens derived from predictable process IDs, which allows a remote authenticated attacker to cause a denial of service by exploiting the reconnect mechanism.
- Record
CVE-2026-44054- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-330
- Updated
- 2026-11-02
EUVDEUVD-2026-31231
Netatalk 2.0.0 through 4.4.2 generates AFP session tokens derived from predictable process IDs, which allows a remote authenticated attacker to cause a denial of service by exploiting the reconnect mechanism.
- Record
EUVD-2026-31231- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-q5xh-737m-h26f
Netatalk 2.0.0 through 4.4.2 generates AFP session tokens derived from predictable process IDs,...
Netatalk 2.0.0 through 4.4.2 generates AFP session tokens derived from predictable process IDs, which allows a remote authenticated attacker to cause a denial of service by exploiting the reconnect mechanism.
- Record
GHSA-q5xh-737m-h26f- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-330
- Updated
- 2026-11-02
NVD
Netatalk 2.0.0 through 4.4.2 generates AFP session tokens derived from predictable process IDs, which allows a remote authenticated attacker to cause a denial of service by exploiting the reconnect mechanism.
- Record
CVE-2026-44054- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-330
- Updated
- 2026-11-02
OSVALPINE-CVE-2026-44054
Netatalk 2.0.0 through 4.4.2 generates AFP session tokens derived from predictable process IDs, which allows a remote authenticated attacker to cause a denial of service by exploiting the reconnect mechanism.
- Record
ALPINE-CVE-2026-44054- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
OSVDEBIAN-CVE-2026-44054
Netatalk 2.0.0 through 4.4.2 generates AFP session tokens derived from predictable process IDs, which allows a remote authenticated attacker to cause a denial of service by exploiting the reconnect mechanism.
- Record
DEBIAN-CVE-2026-44054- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2026-44054
Netatalk 2.0.0 through 4.4.2 generates AFP session tokens derived from predictable process IDs, which allows a remote authenticated attacker to cause a denial of service by exploiting the reconnect mechanism.
- Record
UBUNTU-CVE-2026-44054- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, aliases, references | OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.