VDB

CVE-2026-16527

CVE-2026-16527 PUBLISHED CVSS 7.3 HIGH

Reported by redhat · Published July 30, 2026

An unauthenticated remote attacker can bypass access controls by sending crafted requests to the PCP pmproxy /store endpoint. This allows the attacker to overwrite any PMDA metric, leading to arbitrary code execution and system takeover.

Risk Scores

CVSS 3.1
7.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected Products

VendorProductVersions
Red HatRed Hat Enterprise Linux 100:7.0.3-5.el10_2
Red HatRed Hat Enterprise Linux 80:5.3.7-22.el8_10.5
Red HatRed Hat Enterprise Linux 90:6.3.7-8.el9_8.4
Red HatRed Hat Enterprise Linux 6
Red HatRed Hat Enterprise Linux 7
Red HatRed Hat OpenShift Container Platform 4
Red HatRed Hat Enterprise Linux 80:5.3.7-22.el8_10.5, 0:5.3.7-22.el8_10.5, 0:5.3.7-22.el8_10.5
Red HatRed Hat Enterprise Linux 7
Red HatRed Hat Enterprise Linux 100:7.0.3-5.el10_2, 0:7.0.3-5.el10_2
Red HatRed Hat OpenShift Container Platform 4
Red HatRed Hat OpenShift Container Platform 4
Red HatRed Hat Enterprise Linux 6
Red HatRed Hat Enterprise Linux 90:6.3.7-8.el9_8.4, 0:6.3.7-8.el9_8.4

Timeline

  • Jul 30, 2026 EPSS Score
  • Jul 30, 2026 Coalition ESS Score
  • Jul 30, 2026 CVE Published
  • Aug 3, 2026 Security Advisory
  • Aug 7, 2026 EPSS Score
  • Aug 17, 2026 Distribution Patch
  • Aug 17, 2026 Security Advisory
  • Aug 18, 2026 Distribution Patch
  • Aug 18, 2026 Security Advisory
  • Aug 19, 2026 Distribution Patch
  • Aug 19, 2026 Security Advisory
  • Aug 24, 2026 Distribution Patch

References

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