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CVE-2026-81573— Improper Access Control in Local-Only Configuration Commands

Quick assessment

Affected
wibu-systems-ag codemeter-runtime
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

如果 CodeMeter Runtime 版本低于 8.41a 或 9.10 且被配置为服务器，其配置命令处理器未强制实施基于网络来源的限制。因此，原本仅针对本地或同网络客户端设计的命令，可被任意远程对等节点执行。攻击者由此可以读取潜在的敏感配置数据，并覆盖 中的选定值。这包括对 CodeMeter WebAdmin 凭据哈希值的访问，从而可能导致 WebAdmin 被接管。

CVSS 8.6 · High
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I. Basic Information for CVE-2026-81573

Vulnerability Information
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Vulnerability Title
Improper Access Control in Local-Only Configuration Commands
Source: CVE Program / CVE List V5
Vulnerability Description
If CodeMeter Runtime before 8.41a or 9.10 is configured as a server, the configuration command handler does not enforce network- origin restrictions. Commands intended only for local or same-network clients can therefore be executed by arbitrary remote peers. An attacker can read potentially sensitive configuration data and overwrite selected values in Server.ini. This does include the hash of the credentials for the CodeMeter WebAdmin, enabling WebAdmin takeover.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
wibu-systems-ag codemeter-runtime 9.00 ~ 9.10 -

II. Public POCs for CVE-2026-81573

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III. Intelligence Information for CVE-2026-81573

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Vendor Advisories for CVE-2026-81573 (1)

Same Patch Batch · wibu-systems-ag · 2026-08-27 · 7 CVEs total

CVE-2026-81581 8.8 HIGH User input in WibuKey is used (without proper sanitization) to compute the address of a po
CVE-2026-81579 8.8 HIGH An untrusted Pointer Dereference can be exploited to escalate privileges by an unprivilege
CVE-2026-81574 8.2 HIGH Format String Vulnerability in Logger
CVE-2026-81572 7.8 HIGH Local Privilege Escalation in CodeMeter Runtime on Windows
CVE-2026-81576 7.7 HIGH Improper Authentication of Session Handles
CVE-2026-81575 7.5 HIGH Missing Sanity Checks for Buffer Lengths

IV. Related Vulnerabilities

Same product: codemeter-runtime
Same vendor: wibu-systems-ag
Same weakness: CWE-284

V. Comments for CVE-2026-81573

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