Risk Scores
CVSS v3.1
8.100000381469727
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | pcs |
Timeline
- Apr 30, 2026 CVE Published
- Apr 30, 2026 Distribution Patch
=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.4432 pcs security update 30 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: pcs Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2026-31958 CVE-2026-4800 Original Bulletin: https://access.redhat.com/errata/RHSA-2026:11495 Comment: CVSS (Max): 8.1 CVE-2026-4800 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H) CVSS Source: Red Hat Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H EPSS (Max): 0.0% (13th) CVE-2026-4800 2026-04-28 - --------------------------BEGIN INCLUDED TEXT-------------------- RHSA-2026:11495 - Security Advisory Issued: 2026-04-29 Updated: 2026-04-29 Synopsis Pcs security update Type/Severity Security Advisory: Important Topic An update for pcs is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. 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. Description The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities. Security Fix(es): o tornado-python: Tornado: Denial of Service via large multipart bodies (CVE-2026-31958) o lodash: lodash: Arbitrary code execution via untrusted input in template imports (CVE-2026-4800) 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. Solution For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Affected Products o Red Hat Enterprise Linux High Availability for Power LE - Update Services for SAP Solutions 8.8 ppc64le o Red Hat Enterprise Linux High Availability for x86_64 - Update Services for SAP Solutions 8.8 x86_64 o Red Hat Enterprise Linux High Availability for x86_64 - Telecommunications Update Service 8.8 x86_64 o Red Hat Enterprise Linux High Availability for x86_64 - Extended Update Support Extension 8.8 x86_64 Fixes o BZ - 2446765 - CVE-2026-31958 tornado-python: Tornado: Denial of Service via large multipart bodies o BZ - 2453496 - CVE-2026-4800 lodash: lodash: Arbitrary code execution via untrusted input in template imports CVEs o CVE-2026-4800 o CVE-2026-31958 References o https://access.redhat.com/security/updates/classification/#important - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AUSCERT's members. As AUSCERT did not write the document quoted above, AUSCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AUSCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://portal.auscert.org.au/bulletins/ =========================================================================== AUSCERT The University of Queensland, Brisbane QLD 4072 Australia e: auscert@auscert.org.au t: +61 (0)7 3365 4417 Allies in Cyber Security ===========================================================================
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | pcs |