4.3

CVE-2026-74248: openstack octavia Incorrect Authorization

CVSS: 4.3v3.1MediumAwaiting analysis
AliasesUBUNTU-CVE-2026-74248DEBIAN-CVE-2026-74248
Published 14-08-2026Last modified 17-08-2026

Vulnerability summary

CVE-2026-74248 is a medium (CVSS 4.3) Incorrect Authorization vulnerability in openstack octavia. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.33%
0%100%
Low · +0.12 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1

Timeline

  1. 14-08-2026
    PublishedVulnerability first disclosed.
  2. 17-08-2026
    Last modifiedVulnerability information updated.

Description

OpenStack Octavia through 18.0.0 mishandles quality of service (QoS) policy authorization. By associating another project's QoS policy with an amphora, an authenticated user may prevent deletion of that policy. All Octavia deployments are affected.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.33%

Chance of exploitation in the next 30 days

Percentile

24%

Versus all other CVEs

30-day change

+0.12 pp

From 0.21% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.33%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • octaviaAll versions (No fix recorded) | < 18.0.0-3
Openstack1 product
Ubuntu1 product
  • octaviaAll versions (No fix recorded) | < 1:10.1.1-0ubuntu1.5 | < 1:14.0.0-0ubuntu1.6 | < 1:18.0.0-0ubuntu2.1

3 vendors · 3 products

References

7 links