CVE-2026-50589: openstack ironic
CVSS: 7.5v3.1HighModified
AliasesGHSA-q3g8-rjrx-59phPYSEC-2026-216UBUNTU-CVE-2026-50589DEBIAN-CVE-2026-50589CGA-4wwr-c7qc-fgpmCGA-p3xc-wwfg-4jx4CGA-p96f-8h9r-683fCGA-rxp9-r8cc-xppx
Published 04-06-2026Last modified 16-07-2026
Vulnerability summary
CVE-2026-50589 is a high (CVSS 7.5) vulnerability in openstack ironic. EPSS estimates a 0.74% chance of exploitation in the next 30 days, higher than 53.6% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
0.74%
0%100%
Low · +0.30 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 04-06-2026PublishedVulnerability first disclosed.
- 16-07-2026Last modifiedVulnerability information updated.
Description
In OpenStack Ironic 32 before 37.0.0, an unauthenticated malicious user could submit a crafted JSON string to some endpoints on the API or JSON-RPC service and effect a service crash.
CVSS metrics
6 scores · 6 sources · 1 versionHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSources6 sources · 5.3–7.5
- CVE.orgCNA5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
- OSV · PypiEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
EPSS trend
Probability
0.74%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
+0.30 pp
From 0.43% on 19-09-2026
19-09-202619-10-2026
EPSS score0.74%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-770Allocation of Resources Without Limits or ThrottlingThe product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.
- CWE-502Deserialization of Untrusted DataThe product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
Affected systems
Chainguard2 products
- openstack-ironic-2025.2All versions (No fix recorded)
- openstack-ironic-2026.1All versions (No fix recorded)
Debian1 product
- ironic< 1:35.0.1-5
Openstack1 product
- ironic≥ 32.0.0, < 37.0.0
PyPI1 product
- ironic≥ 32.0.0, < 37.0.0
Ubuntu1 product
- ironicAll versions (No fix recorded)
5 vendors · 6 products
References
15 links
- github.com/openstack/ironicPACKAGE
