CVE-2026-55400

mediumpriority · track · 26EPSS 0.004 · 31 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.37% (31st) EPSS

CVSS 6.5 · medium

Is it mine?

4 products

Check your exposure

Who says so?

3 sources

enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

CVE-2026-55400 is an integer underflow in Secure Access servers prior to version 14.57. Attackers with an authenticated session can send specially crafted traffic to a server in a non-default configuration and cause a persistent denial of service.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.3–6.5

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v4.06mediumCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.06mediumCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · SecurityResponse@netmotionsoftware.com

v4.02.3lowCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-190US

affected products (4)

Products and version ranges known to be affected.

Absolute Secure Access <14.57all versionscert_bundDE
Absolute Secure Access< 14.57cert_bundDE
Absolute Security Secure Access0 → 14.57enisa_euvdEU
absolute secure access< 14.57nvdUScpe:2.3:a:absolute:secure_access:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-2830Absolute Secure Access: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2026-08-12csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Absolute Secure Access ausnutzen, um einen Denial of Service Angriff durchzuführen.

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2026-08-13modified 2026-10-24

references (2)

External citations — patches, advisories, analysis.

scry

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