CVE-2026-49299In OpenStack Neutron before 28.0.1, the tagging controller enforces plural policy action names on single-tag write operations while the defined policy rules use singular names.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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In OpenStack Neutron before 28.0.1, the tagging controller enforces plural policy action names on single-tag write operations while the defined policy rules use singular names. The mismatched names evaluate as allowed under the default policy, permitting a project reader to create and update tags on same-project resources. Deployments running Neutron 26.0.0 or later are affected.
- CVSS
- 5.3 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
- Weakness (CWE)
- CWE-863
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- mitre
- NVD analysis
- Deferred
- Record last updated
- Jun 2, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
OpenStack Neutron openstack:neutron (from the name) | from 26.0.0 before 26.0.4; from 27.0.0 before 27.0.3; from 28.0.0 before 28.0.1 | CNA record |
References
- https://bugs.launchpad.net/bugs/2150132issue-tracking
- https://review.opendev.org/c/openstack/neutron/+/989099patch
- https://www.openwall.com/lists/oss-security/2026/05/28/8
- http://www.openwall.com/lists/oss-security/2026/06/02/7
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.