Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-55748
OpenStack Horizon before 25.7.4 produces scripts for OpenStack RC file downloading that may have a crafted project name with shell metach…
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L H R U H H H 6.8 .0046 37.6 —
AFFECTED
Product Versions Fixed
Horizon 8.0.0 – —
TIMELINE
Jun 17 Reserved by mitre
Jun 17 Published (CNA: mitre)
Sep 22 RESCORED — CVE-2026-55748 (OpenStack Horizon). CVSS 6 → 6.8 (NVD).
Description
OpenStack Horizon before 25.7.4 produces scripts for OpenStack RC file downloading that may have a crafted project name with shell metacharacters. NOTE: some parties consider this a security hardening opportunity to address certain types of user error, not a vulnerability.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| June 17, 2026 | Reserved | Reserved by mitre |
| June 17, 2026 | Published | Published (CNA: mitre) |
| September 22, 2026 | RESCORED | RESCORED — CVE-2026-55748 (OpenStack Horizon). CVSS 6 → 6.8 (NVD). |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| OpenStack | Horizon | — | 8.0.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-55748 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.