DSA-6444-1 neutron - security update
Two vulnerabilities were discovered in Neutron, the OpenStack virtual network service, which could result in incorrect validation of API permissions. https://security-tracker.debian.org/tracker/DSA-6444-1
CSIRTS triage
- What
- Incorrect validation of API permissions in Neutron allows unauthorized access to network operations.
- Who is affected
- OpenStack deployments running affected versions of Neutron.
- Urgency
- Moderate urgency; no active exploitation reported, but auth-bypass vulnerabilities enable privilege escalation and unauthorized API access.
- Action
- Apply the security update from Debian (DSA-6444-1) or upgrade to a patched version of OpenStack Neutron.
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Details
Original advisory: https://lists.debian.org/debian-security-announce/2026/msg00355.html
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-557070.49% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 40% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-55707 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
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