CVE-2026-63306

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Source
https://cve.org/CVERecord?id=CVE-2026-63306
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63306.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-63306
Aliases
  • GHSA-xhww-5g9p-vvq5
Published
2026-07-16T12:19:17.351Z
Modified
2026-07-18T03:48:11.581386744Z
Severity
  • 9.2 (Critical) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N CVSS Calculator
Summary
stoatchat before 0.13.5 Unauthenticated SSRF via proxy and embed endpoints
Details

stoatchat before 0.13.5 contains an unauthenticated server-side request forgery vulnerability in the /proxy and /embed endpoints that accept arbitrary URLs without DNS resolution filtering or private IP range validation. Attackers can enumerate internal services, fingerprint applications, and reach instance metadata endpoints by supplying malicious URLs or leveraging redirect chains to access internal infrastructure.

Database specific 
{
    "cwe_ids": [
        "CWE-918"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63306.json",
    "cna_assigner": "VulnCheck"
}
References

Affected packages

Git / github.com/stoatchat/stoatchat

Affected ranges

Type
GIT
Repo
https://github.com/stoatchat/stoatchat
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
6c920de03a275e73f1f632b6cd6bc924acb66324
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.13.5"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "DESCRIPTION"
    ]
}

Affected versions

0.*
0.1.0
0.2.0
0.2.10
0.2.5
0.2.6
0.2.7
0.2.8
0.2.9
0.3.0
0.3.0-rc.0
0.3.1
0.3.2
0.3.3
0.3.3-alpha.0
0.3.3-alpha.1
0.3.3-alpha.2
0.3.3-alpha.3
0.3.3-alpha.4
0.3.3-alpha.5
0.3.3-alpha.6
0.3.3-alpha.7
0.4.0
0.4.1
0.5.0
0.5.3
0.5.3-1
0.5.3-2
0.5.3-3
0.5.3-4
0.5.3-5
0.5.3-5-patch.1
0.5.3-5-patch.2
0.5.3-5-patch.3
0.5.3-alpha.10
0.5.3-alpha.11
0.5.3-alpha.13
0.5.3-alpha.14
0.5.3-alpha.15
0.5.3-alpha.16
0.5.3-alpha.6
0.5.3-alpha.7
0.5.3-alpha.8
0.5.3-alpha.9
0.5.3-patch.1
0.5.3-patch.2
0.5.3-rc.1
0.5.3-rc.2
0.5.3-rc.3
0.5.3-rc.4
0.5.3-rc.5
0.5.4
0.5.5
Other
20220606-1
20220609-1
20220610-1
20220610-2
20220611-1
20220612-1
20220612-2
20220612-3
20220612-4
20220614-1
20220620-1
20220621-1
20220623-1
20220710-1
20220714-1
20220715-1
20220718-1
20220726-1
20220814-1
20220901-1
20220902-1
20220903-1
20220912-1
20220918-1
20220918-2
20221023-1
20221023-2
20221119-1
20230603-1
20230603-2
20230603-3
20230604-1
20230611-1
20230611-2
20230611-3
20230611-4
20230611-5
20230615-1
20230702-1
20230704-1
20230810-1
20230810-2
20230810-3
20230826-1
20230827-1-beta
20230827-2-beta
20230827-3-beta
20230903-1-beta
20230903-2-beta
20230905-1-beta
20231026-01
20231028-1
20231028-2
20240206-1
20240210-1
20240210-2
20240212-1
20240407-1
20240408-1
20240408-2
20240408-3
20240408-4
20240516-1
20240604-1
20240609-1
20240611-1
20240611-2
20240611-3
20240615-1
20240619-1
20240620-1
20240620-2
20240621-1
20240623-1
20240625-1
20240625-2
20240626-1
20240629-1
20240710-1
20240805-1
20240829-1
20240829-2
20240829-3
20240830-1
20240909-1
20240909-2
20240929-1
20240929-2
20240929-3
20241001-1
20241002-1
20241002-2
20241002-3
20241002-4
20241002-5
20241002-6
20241002-7
20241024-1
20241128-1
20241128-2
20241128-3
20241212-1
20241213-1
20241220-1
20241222-1
20241222-2
20241222-3
20241222-4
20241222-5
20241222-6
20241226-1
20241227-1
20241227-2
20250210-1
20250224-1
20250225-1
20250225-2
20250402-1
20250402-2
20250509-1
20250509-2
20250509-3
20250509-4
20250509-5
20250509-6
20250509-7
20250509-8
20250510-1
20250513-1
20250513-2
20250514-1
20250515-1
20250530-1
20250608-1
20250730-1
20250807-1
20250818-1
20250923-1
20250923-2
20250923-3
20250923-5
20250923-6
delete
v0.*
v0.10.0
v0.10.1
v0.10.2
v0.10.3
v0.11.0
v0.11.1
v0.11.2
v0.11.3
v0.11.4
v0.11.5
v0.12.0
v0.12.1
v0.13.0
v0.13.1
v0.13.2
v0.13.3
v0.13.4
v0.8.8
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-2026-63306.json"