CVE-2026-55398— Memory management vulnerability in Secure Access clients
Possible ATT&CK Techniques 2AI
T1068 · Exploitation for Privilege Escalation T1499 · Endpoint Denial of ServiceAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Absolute Security | Secure Access | < 14.55 | affected |
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I. Basic Information for CVE-2026-55398
Vulnerability Information
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Vulnerability Title
Memory management vulnerability in Secure Access clients
Source: CVE Program / CVE List V5
Vulnerability Description
CVE-2026-55398 is a memory management vulnerability in Secure Access clients and servers prior to 14.55. Attackers with intimate knowledge of and total control over the tunnel protocol can create a non-persistent DoS against the server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Absolute Secure Access 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Absolute secure access是Absolute公司的一套企业访问控制解决方案。 Absolute Secure Access 14.55之前版本存在安全漏洞，该漏洞源于内存管理问题，熟悉并完全控制隧道协议的攻击者可对服务器造成非持续性拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Absolute Security | Secure Access | 0 ~ 14.55 | - |
II. Public POCs for CVE-2026-55398
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Vendor Advisories for CVE-2026-55398 (1)
Same Patch Batch · Absolute Security · 2026-07-15 · 11 CVEs total
| CVE-2026-40952 | Privilge misconfiguration in Secure Access installers | |
| CVE-2026-40953 | Heap overflow in Secure Access clients | |
| CVE-2026-40958 | Input validation error in Secure Access clients prior to 14.55 | |
| CVE-2026-40957 | Frameable content vulnerability in the Secure Access server login page | |
| CVE-2026-40956 | Memory disclosure in Secure Access Clients | |
| CVE-2026-40954 | Integer underflow in Secure Access clients prior to 14.55 | |
| CVE-2026-40955 | Integer underflow vulnerability in Secure Access clients | |
| CVE-2026-33443 | Memory management error in Secure Access servers prior to 14.55 | |
| CVE-2026-55399 | Resource exhaustion vulnerability in the Secure Access publisher | |
| CVE-2026-33445 | Memory management vulnerability in Secure Access servers |
IV. Related Vulnerabilities
Same product: Secure Access
- CVE-2026-55399
Resource exhaustion vulnerability in the Secure Access publi - CVE-2026-33445
Memory management vulnerability in Secure Access servers - CVE-2026-33444
Memory management vulnerability in Secure Access servers - CVE-2026-33443
Memory management error in Secure Access servers prior to 14 - CVE-2026-40958
Input validation error in Secure Access clients prior to 14.
Same vendor: Absolute Security
- CVE-2026-55399
Resource exhaustion vulnerability in the Secure Access publi - CVE-2026-33445
Memory management vulnerability in Secure Access servers - CVE-2026-33443
Memory management error in Secure Access servers prior to 14 - CVE-2026-40958
Input validation error in Secure Access clients prior to 14. - CVE-2026-40957
Frameable content vulnerability in the Secure Access server
V. Comments for CVE-2026-55398
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