CVE-2026-44405: paramiko
Vulnerability summary
CVE-2026-44405 is a low (CVSS 3.4) vulnerability in paramiko. EPSS estimates a 0.11% chance of exploitation in the next 30 days, higher than 1.4% of scored vulnerabilities.
Not severe (CVSS 3.4, adjacent network); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Related 2Timeline
- 05-05-2026PublishedVulnerability first disclosed.
- 06-05-2026Last modifiedVulnerability information updated.
Description
In Paramiko through 4.0.0 before a448945, rsakey.py allows the SHA-1 algorithm.
CVSS metrics
7 scores · 7 sources · 1 version- OSV · PypiEcosystem advisory · calculated3.4LowCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
- OSV · UbuntuEcosystem advisory · calculated3.4LowCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
- OSV · DebianEcosystem advisory · calculated3.4LowCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
- OSV · WolfiEcosystem advisory · calculated3.4LowCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
- OSV · ChainguardEcosystem advisory · calculated3.4LowCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
- NVDNIST3.4LowCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
EPSS trend
Probability
0.11%
Chance of exploitation in the next 30 days
Percentile
1%
Versus all other CVEs
30-day change
Decrease -0.01 pp
From 0.13% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: adjacent network, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Chainguard41 products
- airflow-2All versions (No fix recorded)
- airflow-3< 3.2.1-r2
- authentik-2025.12All versions (No fix recorded)
- authentik-2026.2All versions (No fix recorded)
- authentik-2026.5< 2026.5.6-r13
Wolfi14 products
- airflow-3< 3.2.1-r2
- az< 2.90.0-r0
- datadog-agent-7.72-core-integrations< 7.72.4-r21
- datadog-agent-7.73-core-integrationsAll versions (No fix recorded)
- datadog-agent-7.74-core-integrations< 7.74.1-r15
Suse5 products
- python-paramiko&distro=SUSE Linux Enterprise Module for Public Cloud 15 SP4< 3.4.0-150400.13.13.1
- python-paramiko&distro=SUSE Linux Enterprise Module for Python 3 15 SP7< 3.5.1-150700.20.6.1
- python-paramiko&distro=SUSE Linux Enterprise Server 16.0< 3.5.1-160000.3.1
- python-paramiko&distro=SUSE Linux Enterprise Server for SAP applications 16.0< 3.5.1-160000.3.1
- python3-paramiko&distro=SUSE Linux Enterprise Module for Basesystem 15 SP7< 3.4.0-150400.9.9.1
Debian1 product
- paramikoAll versions (No fix recorded)
Opensuse1 product
- python-paramiko&distro=openSUSE Leap 16.0< 3.5.1-160000.3.1
Paramiko1 product
- paramiko< a4489456b6f65281e172380cc4826cee5e851dbb
PyPI1 product
- paramiko≤ 4.0.0
Ubuntu1 product
- paramikoAll versions (No fix recorded)
8 vendors · 65 products
References
16 links- github.com/paramiko/paramikoPACKAGE
- pypi.org/project/paramikoPACKAGE