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CVE-2026-16527

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:70781ba9385c3cfa6b4111f5a8c16c7849563d61ee0b6e36b629909aadb988c0
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 6 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"pcp","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e2a4fdc819033a455373cfdd40d485e889d5f085761a5d52478cc1d251b8d488 · sha256:7c97675fa3785346… · /containers/cna/affected/4

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"pcp","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e2a4fdc819033a455373cfdd40d485e889d5f085761a5d52478cc1d251b8d488 · sha256:7c97675fa3785346… · /containers/cna/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift:4"],"defaultStatus":"affected","packageName":"rhcos","product":"Red Hat OpenShift Container Platform 4","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e2a4fdc819033a455373cfdd40d485e889d5f085761a5d52478cc1d251b8d488 · sha256:7c97675fa3785346… · /containers/cna/affected/5

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"pcp","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e2a4fdc819033a455373cfdd40d485e889d5f085761a5d52478cc1d251b8d488 · sha256:7c97675fa3785346… · /containers/cna/affected/3

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"unknown","packageName":"pcp","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e2a4fdc819033a455373cfdd40d485e889d5f085761a5d52478cc1d251b8d488 · sha256:7c97675fa3785346… · /containers/cna/affected/1

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"affected","packageName":"pcp","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e2a4fdc819033a455373cfdd40d485e889d5f085761a5d52478cc1d251b8d488 · sha256:7c97675fa3785346… · /containers/cna/affected/2

Affected products and versions

6 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"pcp","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e2a4fdc819033a455373cfdd40d485e889d5f085761a5d52478cc1d251b8d488 · sha256:7c97675fa3785346… · /containers/cna/affected/4
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"pcp","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e2a4fdc819033a455373cfdd40d485e889d5f085761a5d52478cc1d251b8d488 · sha256:7c97675fa3785346… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift:4"],"defaultStatus":"affected","packageName":"rhcos","product":"Red Hat OpenShift Container Platform 4","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e2a4fdc819033a455373cfdd40d485e889d5f085761a5d52478cc1d251b8d488 · sha256:7c97675fa3785346… · /containers/cna/affected/5
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"pcp","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e2a4fdc819033a455373cfdd40d485e889d5f085761a5d52478cc1d251b8d488 · sha256:7c97675fa3785346… · /containers/cna/affected/3
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"unknown","packageName":"pcp","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e2a4fdc819033a455373cfdd40d485e889d5f085761a5d52478cc1d251b8d488 · sha256:7c97675fa3785346… · /containers/cna/affected/1
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"affected","packageName":"pcp","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e2a4fdc819033a455373cfdd40d485e889d5f085761a5d52478cc1d251b8d488 · sha256:7c97675fa3785346… · /containers/cna/affected/2

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":7.3,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e2a4fdc819033a455373cfdd40d485e889d5f085761a5d52478cc1d251b8d488 · sha256:7c97675fa3785346… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-284","description":"CWE-284 Improper Access Control","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e2a4fdc819033a455373cfdd40d485e889d5f085761a5d52478cc1d251b8d488 · sha256:7c97675fa3785346… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-16527"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e2a4fdc819033a455373cfdd40d485e889d5f085761a5d52478cc1d251b8d488 · sha256:7c97675fa3785346… · /containers/cna/references/0
{"name":"RHBZ#2506031","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2506031"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e2a4fdc819033a455373cfdd40d485e889d5f085761a5d52478cc1d251b8d488 · sha256:7c97675fa3785346… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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