CVE-2026-6629
Published: 20 April 2026
Summary
CVE-2026-6629 is a medium-severity Injection (CWE-74) vulnerability in Feishu (inferred from references). Its CVSS base score is 6.9 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 12.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 CM-7 (Least Functionality) and SI-10 (Information Input Validation).
Deeper analysis
CVE-2026-6629 is a SQL injection vulnerability in Metasoft 美特软件 MetaCRM versions up to 6.4.0. It affects the Statement.executeUpdate function in the sql.jsp file of the Interface component, where manipulation of the sql argument enables injection of malicious SQL code. The issue is classified under CWE-74 and CWE-89, with a CVSS v3.1 base score of 7.3 (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L).
The vulnerability is exploitable remotely by unauthenticated attackers requiring low attack complexity and no user interaction. Successful exploitation can result in limited impacts to confidentiality, integrity, and availability, such as unauthorized data access, modification, or disruption within the affected database.
Advisories from VulDB indicate that the vendor was contacted early about the disclosure but provided no response, and no patches or official mitigations are available. The exploit has been publicly disclosed and may be actively used, with details referenced at https://vuldb.com/vuln/358263 and related pages.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-23824
Vulnerability details
A vulnerability has been found in Metasoft 美特软件 MetaCRM up to 6.4.0. This vulnerability affects the function Statement.executeUpdate of the file sql.jsp of the component Interface. Such manipulation of the argument sql leads to sql injection. The attack can be…
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launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
SQL injection in public-facing web app (sql.jsp) directly enables T1190 for remote unauthenticated exploitation; facilitates database data access via malicious queries (T1213.006).
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly prevents SQL injection by requiring validation and sanitization of untrusted inputs like the 'sql' argument passed to Statement.executeUpdate in sql.jsp.
Requires timely remediation of the identified SQL injection flaw in MetaCRM's sql.jsp, including patching or implementing workarounds despite vendor non-response.
Enforces least functionality by disabling or restricting the unnecessary direct SQL execution interface in sql.jsp, eliminating the attack surface for remote unauthenticated injection.