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CVE-2026-55748

OpenStack Horizon RC file generation does not escape special characters in project names

6.0 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
High
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
Low

Exploit likelihood

0.25%Up 0.1 points since Jun 18, 2026
90%50%10%1%

What each source reports

CVE List Score used 6.0

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.

Record
CVE-2026-55748
CVSS 3.1
6.0 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L
Weakness
CWE-78
Updated
2026-11-02
EUVDEUVD-2026-37723 6.0

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.

Record
EUVD-2026-37723
CVSS 3.1
6.0 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L
Updated
2026-11-02
GitHub AdvisoriesGHSA-6wrm-x65g-hr4p 6.0

OpenStack Horizon RC file generation does not escape special characters in project names

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.

Record
GHSA-6wrm-x65g-hr4p
CVSS 3.1
6.0 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L
Weakness
CWE-78
Updated
2026-11-02
NVD 6.0

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.

Record
CVE-2026-55748
CVSS 3.1
6.0 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L
CVSS 3.1
6.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-78
Updated
2026-11-02
OSVDEBIAN-CVE-2026-55748 6.8

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.

Record
DEBIAN-CVE-2026-55748
CVSS 3.1
6.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVGHSA-6wrm-x65g-hr4p 6.0

OpenStack Horizon RC file generation does not escape special characters in project names

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.

Record
GHSA-6wrm-x65g-hr4p
CVSS 3.1
6.0 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L
Weakness
CWE-78
Updated
2026-11-02
OSVPYSEC-2026-2519 6.0

OpenStack Horizon RC file generation does not escape special characters in project names

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.

Record
PYSEC-2026-2519
CVSS 3.1
6.0 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L
Updated
2026-11-02
OSVUBUNTU-CVE-2026-55748 6.0

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.

Record
UBUNTU-CVE-2026-55748
CVSS 3.1
6.0 MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L
CVSS 3.1
6.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
horizon
PyPI
 through 25.7.3 None known
horizon
Debian:12
 before 3:23.0.0-5+deb12u2, plus listed versions
3:23.0.0-53:23.0.0-5+deb12u1
3:23.0.0-5+deb12u2
horizon
Debian:13
 before 3:25.3.0-3+deb13u1, plus listed versions
3:25.3.0-3
3:25.3.0-3+deb13u1
horizon
Debian:14
 before 3:25.7.3-2, plus listed versions
3:25.3.0-33:25.5.0-43:25.5.1-13:25.5.1-23:25.5.1-3
Show 7 moreShow less
3:25.6.0-13:25.6.0-23:25.7.0-13:25.7.0-23:25.7.1-13:25.7.2-13:25.7.3-1
3:25.7.3-2
horizon
PyPI
 through 25.7.3, plus listed versions
12.0.212.0.312.0.413.0.013.0.0.0b3
Show 45 moreShow less
13.0.0.0rc113.0.0.0rc213.0.113.0.213.0.314.0.014.0.0.0b114.0.0.0b214.0.0.0b314.0.0.0rc114.0.0.0rc214.0.114.0.214.0.314.0.414.1.015.0.015.0.0.0b115.0.0.0b215.0.0.0rc115.0.0.0rc215.1.015.1.115.2.015.3.015.3.115.3.216.0.016.0.0.0b116.0.0.0b216.0.0.0rc116.0.0.0rc216.1.016.2.016.2.116.2.217.0.017.1.018.0.018.1.018.2.018.3.018.3.118.3.218.3.3
 None known
horizon
Ubuntu:16.04:LTS
 All versions, plus listed versions
2:8.0.0-0ubuntu22:9.0.0~b1-0ubuntu12:9.0.0~b1-0ubuntu22:9.0.0~b2-0ubuntu12:9.0.0~b3-0ubuntu1
Show 12 moreShow less
2:9.0.0~rc1-0ubuntu12:9.0.0-0ubuntu12:9.0.0-0ubuntu22:9.0.0-0ubuntu2.16.04.12:9.0.1-0ubuntu22:9.1.0-0ubuntu12:9.1.1-0ubuntu12:9.1.2-0ubuntu12:9.1.2-0ubuntu22:9.1.2-0ubuntu32:9.1.2-0ubuntu52:9.1.2-0ubuntu5.2
 None known
horizon
Ubuntu:18.04:LTS
 All versions, plus listed versions
3:12.0.0-0ubuntu2.13:12.0.0-0ubuntu33:13.0.0~b1-0ubuntu13:13.0.0~b1-0ubuntu23:13.0.0-0ubuntu1
Show 12 moreShow less
3:13.0.0-0ubuntu1.13:13.0.1-0ubuntu13:13.0.1-0ubuntu23:13.0.1-0ubuntu33:13.0.1-0ubuntu43:13.0.1-0ubuntu53:13.0.1-0ubuntu63:13.0.2-0ubuntu13:13.0.2-0ubuntu23:13.0.2-0ubuntu33:13.0.3-0ubuntu13:13.0.3-0ubuntu2
 None known
horizon
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
3:16.0.0-0ubuntu13:17.0.0~b1~git2019121712.f7313b74c-0ubuntu13:18.0.1~git2020021409.bb959361b-0ubuntu23:18.0.1~git2020021409.bb959361b-0ubuntu33:18.2.1~git2020032709.2c4470272-0ubuntu1
Show 14 moreShow less
3:18.2.1~git2020041013.754804667-0ubuntu13:18.2.1~git2020041013.754804667-0ubuntu23:18.2.1~git2020041013.754804667-0ubuntu33:18.3.2-0ubuntu0.20.04.13:18.3.2-0ubuntu0.20.04.23:18.3.2-0ubuntu0.20.04.43:18.3.3-0ubuntu13:18.3.4-0ubuntu13:18.3.5-0ubuntu13:18.3.5-0ubuntu23:18.3.5-0ubuntu2.13:18.3.5-0ubuntu2.23:18.3.5-0ubuntu2.33:18.3.5-0ubuntu2.3+esm1
 None known
horizon
Ubuntu:22.04:LTS
 All versions, plus listed versions
4:20.1.0-0ubuntu14:20.2.0+git2021120911.fc1012628-0ubuntu14:20.2.0+git2022011216.8fe5bbc8d-0ubuntu14:21.0.0+git2022030313.dd9e4c82b-0ubuntu24:22.1.0-0ubuntu1
Show 4 moreShow less
4:22.1.0-0ubuntu24:22.1.0-0ubuntu2.14:22.1.1-0ubuntu14:22.1.1-0ubuntu1.1
 None known
horizon
Ubuntu:24.04:LTS
 All versions, plus listed versions
4:23.3.0-0ubuntu14:23.3.0-0ubuntu24:23.4.0+git2024011916.a77818d7-0ubuntu14:24.0.0-0ubuntu14:24.0.0-0ubuntu1.1
Show 4 moreShow less
4:24.0.0-0ubuntu1.24:24.0.0-0ubuntu1.34:24.0.1-0ubuntu0.24.04.14:24.0.1-0ubuntu0.24.04.2
 None known
horizon
Ubuntu:25.10
 All versions, plus listed versions
4:25.3.0-0ubuntu14:25.4.0+git2025070714.33cbc0c53-0ubuntu24:25.5.1-0ubuntu14:25.5.1-0ubuntu1.1
 None known
horizon
Ubuntu:26.10
 All versions, plus listed versions
4:25.7.1-0ubuntu14:26.0.0-0ubuntu14:27.0.0-0ubuntu1
 None known
horizon
Ubuntu:26.04:LTS
 All versions, plus listed versions
4:25.5.1-0ubuntu14:25.5.1-0ubuntu24:25.5.1+git2026012819.479212220-0ubuntu14:25.7.1-0ubuntu1
 None known

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-55748 is a medium vulnerability (CVSS 6.0) in Openstack Horizon, published June 17, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. Fixed in horizon 3:23.0.0-5+deb12u2.

References

This page doesn't list everything

Left out here: 55 versions. The JSON record has them.

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