CVE-2026-50589 json
OpenStack Ironic: Crafted JSON String to Certain Endpoints on the API or JSON-RPC Service May Result in Service Crash
published 2026-06-04 5 mo ago modified 2026-09-10 1 mo ago also GHSA-q3g8-rjrx-59ph , PYSEC-2026-216 , EUVD-2026-34774
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 37%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- pypi ironic 37.0.0
- openstack ironic 37.0.0
- ironic Debian 14 1:35.0.1-5
debian advisories DEBIAN-CVE-2026-50589
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-2026-50589 updated cvss 7.5
openstack-ironic: OpenStack Ironic: Denial of Service via crafted JSON string
-
Red Hat OpenShift Container Platform 4 openstack-ironic, openstack-ironic-api, python3-ironic-tests, openstack-ironic-common, openstack-ironic-conductor Red Hat OpenStack Platform 16.2 openstack-ironic, openstack-ironic-api, openstack-ironic-common, openstack-ironic-conductor Red Hat OpenStack Platform 17.1 openstack-ironic, openstack-ironic-api, openstack-ironic-common, openstack-ironic-conductor Red Hat OpenStack Platform 18.0 openstack-ironicnot 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
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 5 mo ago
Exploit prediction
0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- bugs.launchpad.net https://bugs.launchpad.net/ironic/+bug/2154288 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| OSV | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| GitHub | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | ironic | >=32.0.0, <37.0.0 |
37.0.0 |
Affected products
- OpenStack Ironic
- Red Hat Red Hat OpenShift Container Platform 4
- Red Hat Red Hat OpenStack Platform 16.2
- Red Hat Red Hat OpenStack Platform 17.1
- Red Hat Red Hat OpenStack Platform 18.0
Classification
References
-
wiki.openstack.org
/wiki/OSSN/OSSN-0099
web, patch, vendor-advisory
-
openwall.com
/lists/oss-security/2026/06/06/2
web, mailing-list, patch, third-party-advisory
-
bugs.launchpad.net
/ironic/+bug/2154288
exploit, web, issue-tracking, mitigation, report
-
access.redhat.com
/security/cve/CVE-2026-50589
vdb-entry, web
-
bugzilla.redhat.com
/show_bug.cgi?id=2485353
issue-tracking, web
-
security.access.redhat.com
/data/csaf/v2/vex/2026/cve-2026-50589.json
web
-
nvd.nist.gov
/vuln/detail/CVE-2026-50589
advisory
-
github.com
/openstack/ironic
package
-
github.com
/pypa/advisory-database/tree/main/vulns/ironic/PYSEC-2026-216.yaml
web
-
github.com
/advisories/GHSA-q3g8-rjrx-59ph
advisory
Sources
- CVE List CVE-2026-50589
- GitHub Advisory GHSA-q3g8-rjrx-59ph
- NVD CVE-2026-50589
- OSV PYSEC-2026-216
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.