CVE-2026-63408

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Source

https://cve.org/CVERecord?id=CVE-2026-63408

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63408.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-63408

Aliases

CVE-2026-62386
GHSA-4hpj-wmpw-ghwq

Published

2026-08-19T15:53:08Z

Modified

2026-10-28T02:30:57Z

Severity

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

Summary

Grav API Plugin: JWT Access Token Accepted via `?token=` URL Query Parameter

Details

Grav API Plugin is a RESTful API for Grav CMS that provides full headless access to your site's content. Prior to 1.0.0-rc.16, the Grav API plugin JwtAuthenticator::extractBearerToken() accepts a JWT from the token URL query parameter on every /api/v1 route, including state-changing endpoints. Request URLs consequently expose valid access tokens through Apache, proxy, and CDN logs, browser history, and Referer headers, allowing a party with access to those records to reuse the token with the owner's API privileges. This issue is fixed in version 1.0.0-rc.16.

Database specific

{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-598"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63408.json"
}

References

Affected packages

Git / github.com/getgrav/grav-plugin-api

Affected ranges

Type

GIT

Repo

https://github.com/getgrav/grav-plugin-api

Events

Introduced

Fixed

66d13046175f4d6d7176db1c28a695cf3bd8d864

Fixed

56ae2ca3bf36c8299a4b3d376c6a20e8c0ed5ba9

Database specific

Show details

{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "fixed": "1.0.0-rc.16"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StringRangeExpression"
        },
        {
            "range": [
                {
                    "fixed": "56ae2ca3bf36c8299a4b3d376c6a20e8c0ed5ba9"
                }
            ],
            "source": "REFERENCES_COMMIT"
        },
        {
            "original_tag": "1.0.0-rc.16",
            "range": [
                {
                    "fixed": "66d13046175f4d6d7176db1c28a695cf3bd8d864"
                }
            ],
            "source": "REFERENCES_TAG"
        }
    ]
}

Affected versions

1.*

1.0.0-beta.1

1.0.0-beta.10

1.0.0-beta.11

1.0.0-beta.12

1.0.0-beta.13

1.0.0-beta.14

1.0.0-beta.15

1.0.0-beta.16

1.0.0-beta.17

1.0.0-beta.2

1.0.0-beta.3

1.0.0-beta.4

1.0.0-beta.5

1.0.0-beta.6

1.0.0-beta.7

1.0.0-beta.8

1.0.0-beta.9

1.0.0-rc.1

1.0.0-rc.10

1.0.0-rc.11

1.0.0-rc.12

1.0.0-rc.13

1.0.0-rc.14

1.0.0-rc.15

1.0.0-rc.2

1.0.0-rc.3

1.0.0-rc.4

1.0.0-rc.5

1.0.0-rc.6

1.0.0-rc.7

1.0.0-rc.8

1.0.0-rc.9

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63408.json"