CVE-2026-55748

MEDIUMNVD 6.86.8—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.8 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 87% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
6.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.5%CVSS: 6.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

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.

CVSS v3
6.8
EG Score
6.8MEDIUMmedium confidence
EG Risk
35
EG Risk 35/100

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity68% × 45%
Exploitation0% × 40%
Automatability30% × 15%
EPSS PROB
0.5%
EPSS %ILE
37th
KEV
Not listed

Published

June 17, 2026

Last Modified

September 22, 2026

Advisory Details (2)

Auto-updated Jun 18, 2026
Patch available.
generic

OSSN/OSSN-0097 - OpenStack

https://wiki.openstack.org/wiki/OSSN/OSSN-0097
generic

Bug #2152240 “[OSSN-0097] Horizon RC file generation does not es...” : Bugs : OpenStack Dashboard (Horizon)

https://launchpad.net/bugs/2152240

Vendor Advisories for CVE-2026-55748(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
piphorizon—ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(5 across 5 ecosystems)
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
horizon3:18.6.2-5 ... 3:25.7.3-2 (62 versions)
  • every version on: no fix on record
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
horizon3:23.0.0-5, 3:23.0.0-5+deb12u1
  • every version up to 3:23.0.0-5+deb12u2: fixed in 3:23.0.0-5+deb12u2
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
horizon3:25.3.0-3
  • every version up to 3:25.3.0-3+deb13u1: fixed in 3:25.3.0-3+deb13u1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
horizon3:25.3.0-3 ... 3:25.7.3-1 (12 versions)
  • every version up to 3:25.7.3-2: fixed in 3:25.7.3-2
—
PyPI(1)
PackageVulnerable rangeFix by version rangeDependents
horizon12.0.2 ... 25.7.3 (106 versions)
  • every version through 25.7.3: no fix on record
—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 30× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 217 total refreshes for this CVE.

  1. 2026-10-10 20:00 UTCEPSS rescore
  2. 2026-10-09 20:07 UTCEPSS rescore
  3. 2026-10-08 17:12 UTCEPSS rescore
  4. 2026-10-07 23:48 UTCEPSS rescore
  5. 2026-10-06 15:18 UTCEPSS rescore
  6. 2026-10-05 17:43 UTCEPSS rescore
  7. 2026-10-04 23:22 UTCEPSS rescore
  8. 2026-10-03 14:26 UTCEPSS rescore
  9. 2026-10-02 17:56 UTCEPSS rescore
  10. 2026-10-01 19:50 UTCEPSS rescore
  11. 2026-09-30 15:03 UTCEPSS rescore
  12. 2026-09-29 15:22 UTCEPSS rescore
  13. 2026-09-28 13:51 UTCEPSS rescore
  14. 2026-09-27 13:48 UTCEPSS rescore
  15. 2026-09-26 15:59 UTCEPSS rescore
  16. 2026-09-24 14:04 UTCEPSS rescore
  17. 2026-09-23 17:54 UTCEPSS rescore
  18. 2026-09-22 15:53 UTCEG score recompute▲ 0.80
  19. 2026-09-22 15:53 UTCGHSA enrichment
  20. 2026-09-22 15:52 UTCNVD updateCVSS v3 → 6.8
  21. 2026-09-20 20:16 UTCEPSS rescore
  22. 2026-09-18 19:28 UTCEPSS rescore
  23. 2026-09-17 19:31 UTCEPSS rescore
  24. 2026-09-16 14:08 UTCEPSS rescore
  25. 2026-09-16 05:15 UTCEPSS rescore
Show 75 more
  1. 2026-09-15 03:11 UTCEPSS rescore
  2. 2026-09-13 16:47 UTCEPSS rescore
  3. 2026-09-13 14:13 UTCEG score recompute
  4. 2026-09-13 14:13 UTCGHSA enrichment
  5. 2026-09-11 14:53 UTCEPSS rescore
  6. 2026-09-10 09:35 UTCEPSS rescore
  7. 2026-09-08 22:01 UTCEPSS rescore
  8. 2026-09-07 16:01 UTCEPSS rescore
  9. 2026-09-06 13:47 UTCEPSS rescore
  10. 2026-09-04 05:07 UTCEPSS rescore
  11. 2026-09-02 14:12 UTCEPSS rescore
  12. 2026-09-01 13:54 UTCEPSS rescore
  13. 2026-09-01 04:40 UTCEPSS rescore
  14. 2026-08-30 21:21 UTCEG score recompute
  15. 2026-08-30 21:21 UTCGHSA enrichment
  16. 2026-08-30 19:17 UTCEPSS rescore
  17. 2026-08-30 01:22 UTCEPSS rescore
  18. 2026-08-28 21:41 UTCEPSS rescore
  19. 2026-08-27 14:25 UTCEPSS rescore
  20. 2026-08-26 14:46 UTCEPSS rescore
  21. 2026-08-25 13:49 UTCEPSS rescore
  22. 2026-08-25 04:43 UTCEG score recompute
  23. 2026-08-25 04:43 UTCGHSA enrichment
  24. 2026-08-24 06:51 UTCGHSA enrichment
  25. 2026-08-23 04:19 UTCEG score recompute
  26. 2026-08-23 04:19 UTCGHSA enrichment
  27. 2026-08-23 00:19 UTCEPSS rescore
  28. 2026-08-21 23:49 UTCEPSS rescore
  29. 2026-08-21 06:21 UTCEG score recompute
  30. 2026-08-21 06:21 UTCGHSA enrichment
  31. 2026-08-20 22:55 UTCEPSS rescore
  32. 2026-08-20 08:14 UTCEG score recompute
  33. 2026-08-20 08:14 UTCGHSA enrichment
  34. 2026-08-19 17:04 UTCEPSS rescore
  35. 2026-08-19 08:10 UTCEG score recompute
  36. 2026-08-19 08:10 UTCGHSA enrichment
  37. 2026-08-18 13:48 UTCEPSS rescore
  38. 2026-08-17 13:47 UTCEPSS rescore
  39. 2026-08-16 21:01 UTCEG score recompute
  40. 2026-08-16 21:01 UTCGHSA enrichment
  41. 2026-08-16 14:56 UTCEPSS rescore
  42. 2026-08-16 02:14 UTCEPSS rescore
  43. 2026-08-15 21:31 UTCEG score recompute
  44. 2026-08-15 21:31 UTCGHSA enrichment
  45. 2026-08-15 01:30 UTCEPSS rescore
  46. 2026-08-14 22:35 UTCGHSA enrichment
  47. 2026-08-14 00:45 UTCEG score recompute
  48. 2026-08-14 00:45 UTCGHSA enrichment
  49. 2026-08-13 22:00 UTCEPSS rescore
  50. 2026-08-13 02:54 UTCEG score recompute
  51. 2026-08-13 02:54 UTCGHSA enrichment
  52. 2026-08-12 13:51 UTCEPSS rescore
  53. 2026-08-12 05:03 UTCEG score recompute
  54. 2026-08-12 05:03 UTCGHSA enrichment
  55. 2026-08-11 07:12 UTCEG score recompute
  56. 2026-08-11 07:12 UTCGHSA enrichment
  57. 2026-08-11 00:00 UTCEPSS rescore
  58. 2026-08-10 09:22 UTCEG score recompute
  59. 2026-08-10 09:22 UTCGHSA enrichment
  60. 2026-08-09 13:46 UTCEPSS rescore
  61. 2026-08-09 11:31 UTCEG score recompute
  62. 2026-08-09 11:31 UTCGHSA enrichment
  63. 2026-08-08 16:37 UTCEPSS rescore
  64. 2026-08-08 13:39 UTCEG score recompute
  65. 2026-08-08 13:39 UTCGHSA enrichment
  66. 2026-08-07 15:48 UTCGHSA enrichment
  67. 2026-08-06 17:58 UTCEG score recompute
  68. 2026-08-06 17:58 UTCGHSA enrichment
  69. 2026-08-06 13:47 UTCEPSS rescore
  70. 2026-08-05 20:07 UTCEG score recompute
  71. 2026-08-05 20:07 UTCGHSA enrichment
  72. 2026-08-05 19:17 UTCEPSS rescore
  73. 2026-08-04 22:17 UTCEG score recompute
  74. 2026-08-04 22:17 UTCGHSA enrichment
  75. 2026-08-04 15:10 UTCEPSS rescore

Related CVEs(same product + same CWE)

Frequently asked(5)

What is CVE-2026-55748?
CVE-2026-55748 is a medium vulnerability published on June 17, 2026. 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.
When was CVE-2026-55748 disclosed?
CVE-2026-55748 was first published on June 17, 2026, with the most recent update on September 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-55748 actively exploited?
CVE-2026-55748 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (37th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-55748?
CVE-2026-55748 has a CVSS v3 base score of 6.8 (NVD).
How do I remediate CVE-2026-55748?
A fix for CVE-2026-55748 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-55748 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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