CVE-2026-93955

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Source

https://cve.org/CVERecord?id=CVE-2026-93955

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93955.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-93955

Published

2026-09-19T22:15:09Z

Modified

2026-09-23T03:30:51Z

Severity

2.1 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P CVSS Calculator

Summary

grimmory-tools grimmory Download Endpoint KoboController.java streamFileToResponse authorization

Details

A vulnerability was detected in grimmory-tools grimmory up to 3.3.3/3.4.1. Affected by this vulnerability is the function streamFileToResponse of the file backend/src/main/java/org/booklore/controller/KoboController.java of the component Download Endpoint. Performing a manipulation of the argument bookId results in authorization bypass. The attack may be initiated remotely. The exploit is now public and may be used. Issue #2431 is closed as completed, but its only comment states that the issue “has already been reported elsewhere.” No fixing commit or pull request is identified there.

Database specific

{
    "cna_assigner":  "VulDB",
    "cwe_ids":  [
        "CWE-285",
        "CWE-639"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93955.json"
}

References

Affected packages

Git / github.com/grimmory-tools/grimmory

Affected ranges

Type

GIT

Repo

https://github.com/grimmory-tools/grimmory

Events

Introduced

1d707ffb0f3599b3dcbda44a62bd4b40c61c2fde

Last Affected

ba47aaad27503e88afc98819318e0771a79f8822

Database specific

Show details

{
    "extracted_events":  [
        {
            "introduced":  "3.3.0"
        },
        {
            "last_affected":  "3.3.0"
        },
        {
            "introduced":  "3.3.1"
        },
        {
            "last_affected":  "3.3.1"
        },
        {
            "introduced":  "3.3.2"
        },
        {
            "last_affected":  "3.3.2"
        },
        {
            "introduced":  "3.3.3"
        },
        {
            "last_affected":  "3.3.3"
        },
        {
            "introduced":  "3.4.0"
        },
        {
            "last_affected":  "3.4.0"
        },
        {
            "introduced":  "3.4.1"
        },
        {
            "last_affected":  "3.4.1"
        }
    ],
    "source":  "AFFECTED_FIELD"
}

Affected versions

3.*

3.3.0

3.3.1

3.3.2

3.3.3

3.4.0

3.4.1

v3.*

v3.3.0

v3.3.1

v3.3.2

v3.3.3

v3.4.0

v3.4.1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93955.json"