CVE-2026-45395

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Source

https://cve.org/CVERecord?id=CVE-2026-45395

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-45395.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-45395

Aliases

GHSA-p4fx-23fq-jfg6

Published

2026-05-15T20:33:02.252Z

Modified

2026-08-12T03:51:21.950173803Z

Severity

7.2 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

Open WebUI: Missing `workspace.tools` Authorization Check on Tool Update Endpoint Allows Privilege Escalation to Code Execution

Details

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, the tool update endpoint (POST /api/v1/tools/id/{id}/update) is missing the workspace.tools permission check that is present on the tool create endpoint. This allows a user who has been explicitly denied tool management capabilities ( and who the administrator considers untrusted for code execution ) to replace a tool's server-side Python content and trigger execution, bypassing the intended workspace.tools security boundary. This vulnerability is fixed in 0.9.5.

Database specific

{
    "cwe_ids": [
        "CWE-269",
        "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45395.json",
    "cna_assigner": "GitHub_M"
}

References

Affected packages

Git / github.com/open-webui/open-webui

Affected ranges

Type

GIT

Repo

https://github.com/open-webui/open-webui

Events

Introduced

Fixed

3660bc00fd807deced3400a63bfa6db47811a3bb

Database specific

Show details

{
    "cpe": "cpe:2.3:a:openwebui:open_webui:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.9.5"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ]
}

Affected versions

v0.*

v0.1.102

v0.1.103

v0.1.104

v0.1.105

v0.1.106

v0.1.107

v0.1.108

v0.1.109

v0.1.110

v0.1.111

v0.1.112

v0.1.113

v0.1.114

v0.1.115

v0.1.116

v0.1.117

v0.1.118

v0.1.119

v0.1.120

v0.1.121

v0.1.122

v0.1.123

v0.1.124

v0.1.125

v0.2.0

v0.2.1

v0.2.2

v0.2.3

v0.2.4

v0.2.5

v0.3.0

v0.3.1

v0.3.10

v0.3.11

v0.3.12

v0.3.13

v0.3.14

v0.3.15

v0.3.16

v0.3.17

v0.3.18

v0.3.19

v0.3.2

v0.3.20

v0.3.21

v0.3.22

v0.3.23

v0.3.24

v0.3.25

v0.3.26

v0.3.27

v0.3.28

v0.3.29

v0.3.3

v0.3.30

v0.3.31

v0.3.32

v0.3.33

v0.3.34

v0.3.35

v0.3.4

v0.3.5

v0.3.6

v0.3.7

v0.3.8

v0.3.9

v0.4.0

v0.4.1

v0.4.2

v0.4.3

v0.4.4

v0.4.5

v0.4.6

v0.4.7

v0.4.8

v0.5.0

v0.5.1

v0.5.10

v0.5.11

v0.5.12

v0.5.13

v0.5.14

v0.5.15

v0.5.16

v0.5.17

v0.5.18

v0.5.19

v0.5.2

v0.5.20

v0.5.3

v0.5.4

v0.5.5

v0.5.6

v0.5.7

v0.5.8

v0.5.9

v0.6.0

v0.6.1

v0.6.10

v0.6.11

v0.6.12

v0.6.13

v0.6.14

v0.6.15

v0.6.16

v0.6.17

v0.6.18

v0.6.19

v0.6.2

v0.6.20

v0.6.21

v0.6.22

v0.6.23

v0.6.24

v0.6.25

v0.6.26

v0.6.27

v0.6.28

v0.6.29

v0.6.3

v0.6.30

v0.6.31

v0.6.32

v0.6.33

v0.6.34

v0.6.35

v0.6.36

v0.6.37

v0.6.38

v0.6.39

v0.6.4

v0.6.40

v0.6.41

v0.6.42

v0.6.43

v0.6.5

v0.6.6

v0.6.7

v0.6.8

v0.6.9

v0.7.0

v0.7.1

v0.7.2

v0.8.0

v0.8.1

v0.8.10

v0.8.11

v0.8.12

v0.8.2

v0.8.3

v0.8.4

v0.8.5

v0.8.6

v0.8.7

v0.8.8

v0.8.9

v0.9.0

v0.9.1

v0.9.2

v0.9.3

v0.9.4

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-45395.json"