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Fencer Vulns
high 7.1

CVE-2026-32590 json

Mirror-registry: remote code execution using pickle deserialization

published 2026-04-08 7 mo ago modified 2026-09-09 1 mo ago also EUVD-2026-20515

cvss
7.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 45%
public exploits
0
none known

Summary

A flaw was found in Red Hat Quay's handling of resumable container image layer uploads. The upload process stores intermediate data in the database using a format that, if tampered with, could allow an attacker to execute arbitrary code on the Quay server.

Patch / fix

  • Red Hat mirror registry for Red Hat OpenShift 2.0 1782177012
  • Red Hat Red Hat Quay 3.10 1779822261
  • Red Hat Red Hat Quay 3.12 1779811412
  • Red Hat Red Hat Quay 3.14 1779689392
  • Red Hat Red Hat Quay 3.15 1780891395
  • Red Hat Red Hat Quay 3.16 1779204086
  • Red Hat Red Hat Quay 3.17 1779922205, 1780604033
  • Red Hat Red Hat Quay 3.18 1784987273
  • Red Hat Red Hat Quay 3.9 1779811473

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-32590 updated cvss 7.1

mirror-registry: remote code execution using pickle deserialization

  • Red Hat mirror registry for Red Hat OpenShift openshift/mirror-registry-rhel8
    affected: no fix planned “Will not fix”
  • Red Hat mirror registry for Red Hat OpenShift 2.0 openshift/mirror-registry-rhel8 1782177012
    fixed: vendor fix RHSA-2026:28441
  • Red Hat Quay 3.9 quay/quay-rhel8 1779811473
    fixed: vendor fix RHSA-2026:23361
  • Red Hat Quay 3.10 quay/quay-rhel8 1779822261
    fixed: vendor fix RHSA-2026:22840
  • Red Hat Quay 3.12 quay/quay-rhel8 1779811412
    fixed: vendor fix RHSA-2026:22629
  • Red Hat Quay 3.14 quay/quay-rhel8 1779689392
    fixed: vendor fix RHSA-2026:21017
  • Red Hat Quay 3.15 quay/quay-rhel8 1780891395
    fixed: vendor fix RHSA-2026:24853
  • Red Hat Quay 3.16 quay 1779204086
    fixed: vendor fix RHSA-2026:19375
show 3 more
  • Red Hat Quay 3.17 quay/quay-rhel9 1779922205, quay/quay-rhel9 1780604033
    fixed: vendor fix RHSA-2026:24833
  • Red Hat Quay 3.18 quay/quay-rhel9 1784987273
    fixed: vendor fix RHSA-2026:48085
  • Red Hat Quay 3.9 quay/clair-rhel8 1779233282, quay/quay-builder-rhel8 1779233301, quay/quay-operator-rhel8 1779233286, quay/quay-operator-bundle 1779815781, quay/quay-bridge-operator-rhel8 1779233279, quay/quay-bridge-operator-bundle 1779233747, +3 more Red Hat Quay 3.10 quay/clair-rhel8 1779218496, quay/quay-builder-rhel8 1779218527, quay/quay-operator-rhel8 1779218475, quay/quay-operator-bundle 1779825814, quay/quay-bridge-operator-rhel8 1779218452, quay/quay-bridge-operator-bundle 1779219320, +3 more Red Hat Quay 3.12 quay/clair-rhel8 1779201791, quay/quay-builder-rhel8 1779201784, quay/quay-operator-rhel8 1779201803, quay/quay-operator-bundle 1779841290, quay/quay-bridge-operator-rhel8 1779212189, quay/quay-bridge-operator-bundle 1779212764, +3 more Red Hat Quay 3.14 quay/clair-rhel8 1778873589, quay/quay-builder-rhel8 1778873627, quay/quay-operator-rhel8 1778873585, quay/quay-operator-bundle 1779693417, quay/quay-bridge-operator-rhel8 1778873623, quay/quay-bridge-operator-bundle 1778874411, +2 more Red Hat Quay 3.15 quay/clair-rhel8 1780584775, quay/quay-builder-rhel8 1780584626, quay/quay-operator-rhel8 1780584287, quay/quay-operator-bundle 1780894591, quay/quay-bridge-operator-rhel8 1780584376, quay/quay-bridge-operator-bundle 1780585598, +3 more Red Hat Quay 3.16 quay 1778704509, quay 1778704515, quay 1778704550, quay 1778704556, quay 1778705015, quay 1778705065, +3 more
    +2 more products
    Red Hat Quay 3.17 quay/clair-rhel9 1778600005, quay/clair-rhel9 1780508896, quay/quay-builder-rhel9 1778599977, quay/quay-builder-rhel9 1780603696, quay/quay-operator-rhel9 1778839890, quay/quay-operator-rhel9 1780949117, +12 more Red Hat Quay 3.18 quay/clair-rhel9 1784986949, quay/quay-builder-rhel9 1784986989, quay/quay-operator-rhel9 1784986977, quay/quay-operator-bundle 1785155359, quay/quay-bridge-operator-rhel9 1784987002, quay/quay-bridge-operator-bundle 1785239883, +3 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
7 mo ago

Exploit prediction

0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Red Hat mirror registry for Red Hat OpenShift 2.0
  • Red Hat Red Hat Quay 3.10
  • Red Hat Red Hat Quay 3.12
  • Red Hat Red Hat Quay 3.14
  • Red Hat Red Hat Quay 3.15
  • Red Hat Red Hat Quay 3.16
  • Red Hat Red Hat Quay 3.17
  • Red Hat Red Hat Quay 3.18
  • Red Hat Red Hat Quay 3.9
  • Red Hat mirror registry for Red Hat OpenShift

Classification

Weakness
  • CWE-502 Deserialization of Untrusted Data

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.