CVE-2026-62390

CRITICAL 9.8 ALL-YEARS

Published 2026-07-14 · Last modified 2026-07-14 · apache · NVD: Modified

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Apache Kylin. A backend API refreshing table catalog may cause the injection to the generated SQL. This issue affects Apache Kylin: from 4 through 5.0.3. Users are recommended to upgrade to version 5.0.4, which fixes the issue.

ELEVATED IMPACT

Severe if exploited (CVSS 9.8), but no confirmed exploitation. Patch on a normal cadence.

Exploitation likelihood

0.7%chance of exploitation in 30 days · 52nd percentile

○ In CISA KEV○ Catalogued PoC◆ SSVC: exploitation none, automatable yes

Impact if exploited

9.8CVSS 3.1 · CRITICAL · ADP

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

What an attacker needs

✓Access: Reachable over the network — no local access needed
✓Privileges: No account or privileges required
✓User interaction: No user interaction needed
✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

No public PoC is currently catalogued.

Search for new PoCs

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Tracked sources are checked weekly for the full archive, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Affected

Vendors Apache Software Foundation Apache

Products Apache Kylin Kylin

Weakness (CWE)

CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References and research data (JSON)

Known Affected Software Configurations

Vendor	Product	Version range
Apache	Kylin	≥ 4.0.0 and < 5.0.4

All CVSS metrics

CRITICAL 9.8 v3.1 · ADP Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CRITICAL 9.8 v3.1 · NVD Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Advisories

https://lists.apache.org/thread/zdrj93txvdjj07f88s43d2pcg2gomvjc vendor-advisoryMailing ListVendor AdvisoryCVE record · apache · Updated 2026-07-14T12:09:40.980Z
NVD · CVE-2026-62390 · Updated 2026-10-24T21:10:00.130
http://www.openwall.com/lists/oss-security/2026/07/14/4 Mailing ListThird Party AdvisoryCVE record · CVE · Updated 2026-07-14T12:31:54.088Z
NVD · CVE-2026-62390 · Updated 2026-10-24T21:10:00.130
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-43660 ADVISORYEUVD · EUVD-2026-43660

Sources: NVD · CVE.org · All sources and attribution · EPSS