Vulnerability-Lookup

RHSA-2026:86624

Vulnerability from csaf_redhat - Published: 2026-10-21 06:53 - Updated: 2026-10-21 11:37

Summary

Red Hat Security Advisory: pki-core security update

Severity

Important

Notes

Topic: An update for pki-core is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details: The Public Key Infrastructure (PKI) Core contains fundamental packages required by Red Hat Certificate System. Security Fix(es): * pki-core: Dogtag/PKI: certprofile-import allows code execution via unsanitized profile content (ExternalProcessConstraint) (CVE-2026-76561) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

CVE-2026-76561

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.

7.2 (High)


                
                  CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Affected products

Fixed 21 products

Product	Version	Remediation
Unresolved product id: AppStream-9.4.0.Z.E4S:idm-pki-acme-0:11.5.0-3.el9_4.noarch	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:idm-pki-base-0:11.5.0-3.el9_4.noarch	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:idm-pki-ca-0:11.5.0-3.el9_4.noarch	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:idm-pki-est-0:11.5.0-3.el9_4.noarch	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:idm-pki-java-0:11.5.0-3.el9_4.noarch	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:idm-pki-kra-0:11.5.0-3.el9_4.noarch	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:idm-pki-server-0:11.5.0-3.el9_4.noarch	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:idm-pki-tools-0:11.5.0-3.el9_4.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:idm-pki-tools-0:11.5.0-3.el9_4.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:idm-pki-tools-0:11.5.0-3.el9_4.s390x	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:idm-pki-tools-0:11.5.0-3.el9_4.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:idm-pki-tools-debuginfo-0:11.5.0-3.el9_4.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:idm-pki-tools-debuginfo-0:11.5.0-3.el9_4.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:idm-pki-tools-debuginfo-0:11.5.0-3.el9_4.s390x	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:idm-pki-tools-debuginfo-0:11.5.0-3.el9_4.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:pki-core-0:11.5.0-3.el9_4.src	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:pki-core-debugsource-0:11.5.0-3.el9_4.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:pki-core-debugsource-0:11.5.0-3.el9_4.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:pki-core-debugsource-0:11.5.0-3.el9_4.s390x	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:pki-core-debugsource-0:11.5.0-3.el9_4.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-9.4.0.Z.E4S:python3-idm-pki-0:11.5.0-3.el9_4.noarch	—	Vendor Fix fix Workaround

Threats

Impact Important

References

8 references

URL	Category
https://access.redhat.com/errata/RHSA-2026:86624	self
https://access.redhat.com/security/updates/classi…	external
https://bugzilla.redhat.com/show_bug.cgi?id=2519523	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2026-76561	self
https://bugzilla.redhat.com/show_bug.cgi?id=2519523	external
https://www.cve.org/CVERecord?id=CVE-2026-76561	external
https://nvd.nist.gov/vuln/detail/CVE-2026-76561	external

Acknowledgments

Calif.io Gia Bui (yabeow)

JSON

To clipboard

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      "acknowledgments": [
        {
          "names": [
            "Gia Bui (yabeow)"
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          "text": "pki-core: Dogtag/PKI: certprofile-import allows code execution via unsanitized profile content (ExternalProcessConstraint)",
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          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "pki-core: Dogtag/PKI: certprofile-import allows code execution via unsanitized profile content (ExternalProcessConstraint)"
    }
  ]
}

CVE-2026-76561 (GCVE-0-2026-76561)

Vulnerability from cvelistv5 – Published: 2026-09-08 07:55 – Updated: 2026-10-21 11:19

Title

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

Summary

Severity

7.2 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-08 16:40 UTC

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

redhat CNA under the redhat root

CNA scorecard B 82/100 over 1033 records in the last 180 days details

References

9 references

URL	Tags
https://access.redhat.com/errata/RHSA-2026:73765	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:73766	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:75573	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:86621	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:86623	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:86624	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:86625	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-76561	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2519523	issue-trackingx_refsource_REDHAT

Impacted products

11 products

Vendor	Product	Version
Red Hat	Red Hat Enterprise Linux 10	Unaffected: 0:11.9.0-5.el10_2 , < * (rpm) cpe:/o:redhat:enterprise_linux:10.2
Red Hat	Red Hat Enterprise Linux 10.0 Extended Update Support	Unaffected: 0:11.6.0-3.el10_0.1 , < * (rpm) cpe:/o:redhat:enterprise_linux_eus:10.0
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 8100020260930154041.82f485b7 , < * (rpm) cpe:/a:redhat:enterprise_linux:8::appstream
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:11.7.1-2.el9_8 , < * (rpm) cpe:/a:redhat:enterprise_linux:9::appstream
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions	Unaffected: 0:11.3.0-3.el9_2 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.2::appstream
Red Hat	Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions	Unaffected: 0:11.5.0-3.el9_4 , < * (rpm) cpe:/a:redhat:rhel_e4s:9.4::appstream
Red Hat	Red Hat Enterprise Linux 9.6 Extended Update Support	Unaffected: 0:11.6.0-4.el9_6 , < * (rpm) cpe:/a:redhat:rhel_eus:9.6::appstream
Red Hat	Red Hat Certificate System 9	cpe:/a:redhat:certificate_system:9
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

Date Public

2026-09-07 23:59

Credits

Red Hat would like to thank Gia Bui (yabeow) (Calif.io) for reporting this issue.

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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