CVE-2026-18740: security verify Argument Injection

Description

IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 11.0 through 11.0.3 could allow a remote authenticated attacker to perform unauthorized actions due to argument injection.

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CVSS v3.1 Score

8.8

HIGH

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

EPSS — Exploit Prediction

0.0035

Probability of exploitation

0.27%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-88 CWE-88

Affected Products

Vendor	Product	Versions
ibm	security_verify_access	10.0.0 — 10.0.9.3
ibm	security_verify_access_container	10.0.0.0 — 10.0.9.2
ibm	verify_identity_access	11.0 — 11.0.3.1
ibm	verify_identity_access_container	11.0.0.0 — 11.0.3.0

References

Advisories & Patches

https://www.ibm.com/support/pages/node/7291628

Frequently Asked Questions

What is CVE-2026-18740? +

IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 11.0 through 11.0.3 could allow a remote authenticated attacker to perform unauthorized actions due to argument injection. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-18740? +

CVE-2026-18740 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0035, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-18740? +

CVE-2026-18740 affects products from ibm, specifically: security_verify_access, security_verify_access_container, verify_identity_access, verify_identity_access_container. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-18740? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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