CVE-2026-111707

Source
https://cve.org/CVERecord?id=CVE-2026-111707
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111707.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-111707
Published
2026-10-16T17:39:58Z
Modified
2026-10-17T02:48:43Z
Severity
  • 6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
99AI through 4.3.0 IDOR via /api/chatLog/querySingleChat Chat Message Disclosure
Details

99AI through 4.3.0 contains an insecure direct object reference vulnerability that allows unauthenticated attackers to read other users' chat messages because querySingleChat lacks an owner check. Attackers can send a fingerprint header to obtain a visitor JWT and iterate sequential chatId values to retrieve other users' message content and task data.

Database specific
{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-639"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111707.json"
}
References

Affected packages

Git / github.com/vastxie/99ai

Affected ranges

Type
GIT
Repo
https://github.com/vastxie/99ai
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last Affected
Database specific
Show details
{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "last_affected":  "4.3.0"
        }
    ],
    "source":  "AFFECTED_FIELD"
}

Affected versions

v3.*
v3.0.0
v3.3.0
v3.5.0
v3.7.0
v4.*
v4.0.0
v4.1.0
v4.3.0

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111707.json"