CVE-2026-32590: redhat mirror_registry_for_red_hat_openshift Deserialization of Untrusted Data
CVSS: 8.8v3.1HighModified
Published 08-04-2026Last modified 09-09-2026
Vulnerability summary
CVE-2026-32590 is a high (CVSS 8.8) Deserialization of Untrusted Data vulnerability in redhat mirror_registry_for_red_hat_openshift. EPSS estimates a 0.79% chance of exploitation in the next 30 days, higher than 55.5% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
0.79%
0%100%
Low · +0.37 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-04-2026PublishedVulnerability first disclosed.
- 09-09-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources2 sources · 7.1–8.8
- CVE.orgCNA7.1HighCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.79%
Chance of exploitation in the next 30 days
Percentile
56%
Versus all other CVEs
30-day change
+0.37 pp
From 0.41% on 21-09-2026
21-09-202621-10-2026
EPSS score0.79%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat2 products
- mirror_registry_for_red_hat_openshiftna | 2.0
- quay3.0.0
1 vendor · 2 products