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CVE-2026-76561— Pki-core: dogtag/pki: certprofile-import allows code execution via unsanitized profile content (externalprocessconstraint)

Quick assessment

Affected
Red Hat Red Hat Certificate System 9
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.

在 Dogtag PKI（被 FreeIPA 的证书颁发机构（CA）组件使用）中发现了缺陷。证书配置文件的导入功能仅验证配置文件 ID，而对上传的配置内容未进行充分校验。拥有 CA 管理员权限的已认证用户可利用 Dogtag 的 机制，使用攻击者可控的环境变量执行任意命令，从而以 账户实现代码执行。

CVSS 7.2 · High
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I. Basic Information for CVE-2026-76561

Vulnerability Information
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Vulnerability Title
Pki-core: dogtag/pki: certprofile-import allows code execution via unsanitized profile content (externalprocessconstraint)
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Dogtag PKI, as used by FreeIPA's certificate authority component. The certificate profile import functionality does not fully validate uploaded profile content beyond the profile ID. An authenticated user with CA Administrator privileges can exploit Dogtag's ExternalProcessConstraint mechanism to execute arbitrary commands with attacker-controlled environment variables, achieving code execution as the pkiuser account.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Certificate System 9 - cpe:/a:redhat:certificate_system:9
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9

II. Public POCs for CVE-2026-76561

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III. Intelligence Information for CVE-2026-76561

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Vendor Advisories for CVE-2026-76561 (1)

Other References for CVE-2026-76561 (1)

IV. Related Vulnerabilities

Same product: Red Hat Certificate System 9
Same vendor: Red Hat
Same weakness: CWE-78

V. Comments for CVE-2026-76561

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