A Server-Side Request Forgery (SSRF) vulnerability exists in the Image API (v2) of OpenStack Glance.

published 2026-09-25 45 d ago modified 2026-11-03 5 d ago also EUVD-2026-87085

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits: 0; none known

A Server-Side Request Forgery (SSRF) vulnerability exists in the Image API (v2) of OpenStack Glance. When the show_multiple_locations configuration option is enabled in glance-api.conf, an authenticated attacker can manipulate the locations attribute of an image in the queued state by sending a crafted HTTP PATCH request

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-2026-51772 updated 2026-11-03 cvss 4.3

openstack-glance: openstack-glance: Server-Side Request Forgery via image locations manipulation

Red Hat OpenStack Platform 13 (Queens) python-glance, openstack-glance, python-glance-tests Red Hat OpenStack Platform 16.2 python3-glance, openstack-glance Red Hat OpenStack Platform 17.1 python3-glance, openstack-glance Red Hat OpenStack Platform 18.0 openstack-glance
affected: workaround, no fix available “Fix deferred”

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: no
Technical impact: partial
Assessed: 40 d ago (2026-09-29)

Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/sadandbset/CVE-2026-51772-CVE-2026-51773/blob/main/CVE-2026-51772.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Classification

Weakness

CWE-918 Server-Side Request Forgery

References

Sources

CVE List CVE-2026-51772
NVD CVE-2026-51772

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.

Summary