Red Hat Product Errata RHSA-2026:10710 - Security Advisory
Issued:
2026-04-27
Updated:
2026-04-27

RHSA-2026:10710 - Security Advisory

Synopsis

Important: pcs security update

Type/Severity

Security Advisory: Important

Red Hat Lightspeed patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for pcs is now available for Red Hat Enterprise Linux 9.

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):

  • 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

  • Red Hat Enterprise Linux High Availability for x86_64 9 x86_64
  • Red Hat Enterprise Linux High Availability for ARM 64 9 aarch64
  • Red Hat Enterprise Linux High Availability for x86_64 - Extended Update Support 9.8 x86_64
  • Red Hat Enterprise Linux Resilient Storage for x86_64 9 x86_64
  • Red Hat Enterprise Linux Resilient Storage for x86_64 - Extended Update Support 9.8 x86_64
  • Red Hat Enterprise Linux Resilient Storage for IBM z Systems 9 s390x
  • Red Hat Enterprise Linux High Availability for IBM z Systems 9 s390x
  • Red Hat Enterprise Linux Resilient Storage for Power, little endian 9 ppc64le
  • Red Hat Enterprise Linux Resilient Storage for Power, little endian - Extended Update Support 9.8 ppc64le
  • Red Hat Enterprise Linux High Availability for Power, little endian 9 ppc64le
  • Red Hat Enterprise Linux High Availability for Power, little endian - Extended Update Support 9.8 ppc64le
  • Red Hat Enterprise Linux High Availability for Power LE - Update Services for SAP Solutions 9.8 ppc64le
  • Red Hat Enterprise Linux High Availability for x86_64 - Update Services for SAP Solutions 9.8 x86_64
  • Red Hat Enterprise Linux High Availability (for IBM z Systems) - Extended Update Support 9.8 s390x
  • Red Hat Enterprise Linux High Availability (for ARM 64) - Extended Update Support 9.8 aarch64
  • Red Hat Enterprise Linux Resilient Storage for IBM z Systems - Extended Update Support 9.8 s390x
  • Red Hat Enterprise Linux High Availability for ARM 64 - 4 years of updates 9.8 aarch64
  • Red Hat Enterprise Linux High Availability for IBM z Systems - 4 years of updates 9.8 s390x
  • Red Hat Enterprise Linux Resilient Storage for x86_64 - 4 years of updates 9.8 x86_64
  • Red Hat Enterprise Linux Resilient Storage for Power, little endian - 4 years of updates 9.8 ppc64le
  • Red Hat Enterprise Linux Resilient Storage for IBM z Systems - 4 years of updates 9.8 s390x
  • Red Hat Enterprise Linux High Availability for ARM 64 - Extended Life Cycle 9.8 aarch64
  • Red Hat Enterprise Linux High Availability for Power, little endian - Extended Life Cycle 9.8 ppc64le
  • Red Hat Enterprise Linux High Availability for IBM z Systems - Extended Life Cycle 9.8 s390x
  • Red Hat Enterprise Linux High Availability for x86_64 - Extended Life Cycle 9.8 x86_64
  • Red Hat Enterprise Linux Resilient Storage for Power, little endian - Extended Life Cycle 9.8 ppc64le
  • Red Hat Enterprise Linux Resilient Storage for IBM z Systems - Extended Life Cycle 9.8 s390x
  • Red Hat Enterprise Linux Resilient Storage for x86_64 - Extended Life Cycle 9.8 x86_64

Fixes

  • BZ - 2453496 - CVE-2026-4800 lodash: lodash: Arbitrary code execution via untrusted input in template imports

Red Hat Enterprise Linux High Availability for x86_64 9

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
x86_64
pcs-0.11.10-1.el9_7.3.x86_64.rpm SHA-256: 39c682969a15b16a07a5a644ae85f9068e54f86996e6c145c5d87d25d339344d
pcs-snmp-0.11.10-1.el9_7.3.x86_64.rpm SHA-256: 2cba207b636f2ac07d6cd0f37610d4fffe0bf0ce7f60c41d27485f3815ee4390

Red Hat Enterprise Linux High Availability for ARM 64 9

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
aarch64
pcs-0.11.10-1.el9_7.3.aarch64.rpm SHA-256: 2ebef173f6e4e68b04c57a2507efae617de64d6b79a390ccfb3d931c53de0232
pcs-snmp-0.11.10-1.el9_7.3.aarch64.rpm SHA-256: 9704211ab4a197851751be88b3877d1db5137f0fb140ea241498e86cdd23f633

Red Hat Enterprise Linux High Availability for x86_64 - Extended Update Support 9.8

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
x86_64
pcs-0.11.10-1.el9_7.3.x86_64.rpm SHA-256: 39c682969a15b16a07a5a644ae85f9068e54f86996e6c145c5d87d25d339344d
pcs-snmp-0.11.10-1.el9_7.3.x86_64.rpm SHA-256: 2cba207b636f2ac07d6cd0f37610d4fffe0bf0ce7f60c41d27485f3815ee4390

Red Hat Enterprise Linux Resilient Storage for x86_64 9

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
x86_64
pcs-0.11.10-1.el9_7.3.x86_64.rpm SHA-256: 39c682969a15b16a07a5a644ae85f9068e54f86996e6c145c5d87d25d339344d
pcs-snmp-0.11.10-1.el9_7.3.x86_64.rpm SHA-256: 2cba207b636f2ac07d6cd0f37610d4fffe0bf0ce7f60c41d27485f3815ee4390

Red Hat Enterprise Linux Resilient Storage for x86_64 - Extended Update Support 9.8

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
x86_64
pcs-0.11.10-1.el9_7.3.x86_64.rpm SHA-256: 39c682969a15b16a07a5a644ae85f9068e54f86996e6c145c5d87d25d339344d
pcs-snmp-0.11.10-1.el9_7.3.x86_64.rpm SHA-256: 2cba207b636f2ac07d6cd0f37610d4fffe0bf0ce7f60c41d27485f3815ee4390

Red Hat Enterprise Linux Resilient Storage for IBM z Systems 9

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
s390x
pcs-0.11.10-1.el9_7.3.s390x.rpm SHA-256: 361bf741fd9f41ce13d6810a3896f9c0ec40b3e826c521ee049a68f9f53ddcea
pcs-snmp-0.11.10-1.el9_7.3.s390x.rpm SHA-256: 0d1b838d1da9331ee4e74e4318204bec73ce45882b65e08486f69bc0b0ebbbc5

Red Hat Enterprise Linux High Availability for IBM z Systems 9

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
s390x
pcs-0.11.10-1.el9_7.3.s390x.rpm SHA-256: 361bf741fd9f41ce13d6810a3896f9c0ec40b3e826c521ee049a68f9f53ddcea
pcs-snmp-0.11.10-1.el9_7.3.s390x.rpm SHA-256: 0d1b838d1da9331ee4e74e4318204bec73ce45882b65e08486f69bc0b0ebbbc5

Red Hat Enterprise Linux Resilient Storage for Power, little endian 9

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
ppc64le
pcs-0.11.10-1.el9_7.3.ppc64le.rpm SHA-256: 6b900f621b7a37828ecff04a76f5e9e32096d17fe3f34500256276977612e259
pcs-snmp-0.11.10-1.el9_7.3.ppc64le.rpm SHA-256: 6c84ae16d97889f1dd145231d4f4fc8f1c92870a1c45c46c872cbbbe5b7d60dd

Red Hat Enterprise Linux Resilient Storage for Power, little endian - Extended Update Support 9.8

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
ppc64le
pcs-0.11.10-1.el9_7.3.ppc64le.rpm SHA-256: 6b900f621b7a37828ecff04a76f5e9e32096d17fe3f34500256276977612e259
pcs-snmp-0.11.10-1.el9_7.3.ppc64le.rpm SHA-256: 6c84ae16d97889f1dd145231d4f4fc8f1c92870a1c45c46c872cbbbe5b7d60dd

Red Hat Enterprise Linux High Availability for Power, little endian 9

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
ppc64le
pcs-0.11.10-1.el9_7.3.ppc64le.rpm SHA-256: 6b900f621b7a37828ecff04a76f5e9e32096d17fe3f34500256276977612e259
pcs-snmp-0.11.10-1.el9_7.3.ppc64le.rpm SHA-256: 6c84ae16d97889f1dd145231d4f4fc8f1c92870a1c45c46c872cbbbe5b7d60dd

Red Hat Enterprise Linux High Availability for Power, little endian - Extended Update Support 9.8

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
ppc64le
pcs-0.11.10-1.el9_7.3.ppc64le.rpm SHA-256: 6b900f621b7a37828ecff04a76f5e9e32096d17fe3f34500256276977612e259
pcs-snmp-0.11.10-1.el9_7.3.ppc64le.rpm SHA-256: 6c84ae16d97889f1dd145231d4f4fc8f1c92870a1c45c46c872cbbbe5b7d60dd

Red Hat Enterprise Linux High Availability for Power LE - Update Services for SAP Solutions 9.8

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
ppc64le
pcs-0.11.10-1.el9_7.3.ppc64le.rpm SHA-256: 6b900f621b7a37828ecff04a76f5e9e32096d17fe3f34500256276977612e259
pcs-snmp-0.11.10-1.el9_7.3.ppc64le.rpm SHA-256: 6c84ae16d97889f1dd145231d4f4fc8f1c92870a1c45c46c872cbbbe5b7d60dd

Red Hat Enterprise Linux High Availability for x86_64 - Update Services for SAP Solutions 9.8

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
x86_64
pcs-0.11.10-1.el9_7.3.x86_64.rpm SHA-256: 39c682969a15b16a07a5a644ae85f9068e54f86996e6c145c5d87d25d339344d
pcs-snmp-0.11.10-1.el9_7.3.x86_64.rpm SHA-256: 2cba207b636f2ac07d6cd0f37610d4fffe0bf0ce7f60c41d27485f3815ee4390

Red Hat Enterprise Linux High Availability (for IBM z Systems) - Extended Update Support 9.8

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
s390x
pcs-0.11.10-1.el9_7.3.s390x.rpm SHA-256: 361bf741fd9f41ce13d6810a3896f9c0ec40b3e826c521ee049a68f9f53ddcea
pcs-snmp-0.11.10-1.el9_7.3.s390x.rpm SHA-256: 0d1b838d1da9331ee4e74e4318204bec73ce45882b65e08486f69bc0b0ebbbc5

Red Hat Enterprise Linux High Availability (for ARM 64) - Extended Update Support 9.8

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
aarch64
pcs-0.11.10-1.el9_7.3.aarch64.rpm SHA-256: 2ebef173f6e4e68b04c57a2507efae617de64d6b79a390ccfb3d931c53de0232
pcs-snmp-0.11.10-1.el9_7.3.aarch64.rpm SHA-256: 9704211ab4a197851751be88b3877d1db5137f0fb140ea241498e86cdd23f633

Red Hat Enterprise Linux Resilient Storage for IBM z Systems - Extended Update Support 9.8

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
s390x
pcs-0.11.10-1.el9_7.3.s390x.rpm SHA-256: 361bf741fd9f41ce13d6810a3896f9c0ec40b3e826c521ee049a68f9f53ddcea
pcs-snmp-0.11.10-1.el9_7.3.s390x.rpm SHA-256: 0d1b838d1da9331ee4e74e4318204bec73ce45882b65e08486f69bc0b0ebbbc5

Red Hat Enterprise Linux High Availability for ARM 64 - 4 years of updates 9.8

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
aarch64
pcs-0.11.10-1.el9_7.3.aarch64.rpm SHA-256: 2ebef173f6e4e68b04c57a2507efae617de64d6b79a390ccfb3d931c53de0232
pcs-snmp-0.11.10-1.el9_7.3.aarch64.rpm SHA-256: 9704211ab4a197851751be88b3877d1db5137f0fb140ea241498e86cdd23f633

Red Hat Enterprise Linux High Availability for IBM z Systems - 4 years of updates 9.8

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
s390x
pcs-0.11.10-1.el9_7.3.s390x.rpm SHA-256: 361bf741fd9f41ce13d6810a3896f9c0ec40b3e826c521ee049a68f9f53ddcea
pcs-snmp-0.11.10-1.el9_7.3.s390x.rpm SHA-256: 0d1b838d1da9331ee4e74e4318204bec73ce45882b65e08486f69bc0b0ebbbc5

Red Hat Enterprise Linux Resilient Storage for x86_64 - 4 years of updates 9.8

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
x86_64
pcs-0.11.10-1.el9_7.3.x86_64.rpm SHA-256: 39c682969a15b16a07a5a644ae85f9068e54f86996e6c145c5d87d25d339344d
pcs-snmp-0.11.10-1.el9_7.3.x86_64.rpm SHA-256: 2cba207b636f2ac07d6cd0f37610d4fffe0bf0ce7f60c41d27485f3815ee4390

Red Hat Enterprise Linux Resilient Storage for Power, little endian - 4 years of updates 9.8

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
ppc64le
pcs-0.11.10-1.el9_7.3.ppc64le.rpm SHA-256: 6b900f621b7a37828ecff04a76f5e9e32096d17fe3f34500256276977612e259
pcs-snmp-0.11.10-1.el9_7.3.ppc64le.rpm SHA-256: 6c84ae16d97889f1dd145231d4f4fc8f1c92870a1c45c46c872cbbbe5b7d60dd

Red Hat Enterprise Linux Resilient Storage for IBM z Systems - 4 years of updates 9.8

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
s390x
pcs-0.11.10-1.el9_7.3.s390x.rpm SHA-256: 361bf741fd9f41ce13d6810a3896f9c0ec40b3e826c521ee049a68f9f53ddcea
pcs-snmp-0.11.10-1.el9_7.3.s390x.rpm SHA-256: 0d1b838d1da9331ee4e74e4318204bec73ce45882b65e08486f69bc0b0ebbbc5

Red Hat Enterprise Linux High Availability for ARM 64 - Extended Life Cycle 9.8

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
aarch64
pcs-0.11.10-1.el9_7.3.aarch64.rpm SHA-256: 2ebef173f6e4e68b04c57a2507efae617de64d6b79a390ccfb3d931c53de0232
pcs-snmp-0.11.10-1.el9_7.3.aarch64.rpm SHA-256: 9704211ab4a197851751be88b3877d1db5137f0fb140ea241498e86cdd23f633

Red Hat Enterprise Linux High Availability for Power, little endian - Extended Life Cycle 9.8

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
ppc64le
pcs-0.11.10-1.el9_7.3.ppc64le.rpm SHA-256: 6b900f621b7a37828ecff04a76f5e9e32096d17fe3f34500256276977612e259
pcs-snmp-0.11.10-1.el9_7.3.ppc64le.rpm SHA-256: 6c84ae16d97889f1dd145231d4f4fc8f1c92870a1c45c46c872cbbbe5b7d60dd

Red Hat Enterprise Linux High Availability for IBM z Systems - Extended Life Cycle 9.8

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
s390x
pcs-0.11.10-1.el9_7.3.s390x.rpm SHA-256: 361bf741fd9f41ce13d6810a3896f9c0ec40b3e826c521ee049a68f9f53ddcea
pcs-snmp-0.11.10-1.el9_7.3.s390x.rpm SHA-256: 0d1b838d1da9331ee4e74e4318204bec73ce45882b65e08486f69bc0b0ebbbc5

Red Hat Enterprise Linux High Availability for x86_64 - Extended Life Cycle 9.8

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
x86_64
pcs-0.11.10-1.el9_7.3.x86_64.rpm SHA-256: 39c682969a15b16a07a5a644ae85f9068e54f86996e6c145c5d87d25d339344d
pcs-snmp-0.11.10-1.el9_7.3.x86_64.rpm SHA-256: 2cba207b636f2ac07d6cd0f37610d4fffe0bf0ce7f60c41d27485f3815ee4390

Red Hat Enterprise Linux Resilient Storage for Power, little endian - Extended Life Cycle 9.8

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
ppc64le
pcs-0.11.10-1.el9_7.3.ppc64le.rpm SHA-256: 6b900f621b7a37828ecff04a76f5e9e32096d17fe3f34500256276977612e259
pcs-snmp-0.11.10-1.el9_7.3.ppc64le.rpm SHA-256: 6c84ae16d97889f1dd145231d4f4fc8f1c92870a1c45c46c872cbbbe5b7d60dd

Red Hat Enterprise Linux Resilient Storage for IBM z Systems - Extended Life Cycle 9.8

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
s390x
pcs-0.11.10-1.el9_7.3.s390x.rpm SHA-256: 361bf741fd9f41ce13d6810a3896f9c0ec40b3e826c521ee049a68f9f53ddcea
pcs-snmp-0.11.10-1.el9_7.3.s390x.rpm SHA-256: 0d1b838d1da9331ee4e74e4318204bec73ce45882b65e08486f69bc0b0ebbbc5

Red Hat Enterprise Linux Resilient Storage for x86_64 - Extended Life Cycle 9.8

SRPM
pcs-0.11.10-1.el9_7.3.src.rpm SHA-256: 05e81807652bc2ac4a81593774d4b34725407e2ff1b2357b4e8fb2297a2391b3
x86_64
pcs-0.11.10-1.el9_7.3.x86_64.rpm SHA-256: 39c682969a15b16a07a5a644ae85f9068e54f86996e6c145c5d87d25d339344d
pcs-snmp-0.11.10-1.el9_7.3.x86_64.rpm SHA-256: 2cba207b636f2ac07d6cd0f37610d4fffe0bf0ce7f60c41d27485f3815ee4390

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