CVE-2026-12091: security verify Out-of-bounds Read

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 denial of service due to a heap-based out-of-bounds read. A remote attacker could send a specially crafted request that causes a limited out‑of‑bounds memory read.

Is your site exposed to CVE-2026-12091?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

3.7

LOW

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

EPSS — Exploit Prediction

0.0030

Probability of exploitation

0.21%

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-125 Out-of-bounds Read

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-2026-12091? +

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 denial of service due to a heap-based out-of-bounds read. A remote attacker could send a specially crafted request that causes a limited out‑of‑bounds memory read. It has a CVSS v3.1 base score of 3.7 (LOW).

How severe is CVE-2026-12091? +

CVE-2026-12091 has a CVSS v3.1 score of 3.7 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0030, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-12091? +

CVE-2026-12091 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-2026-12091? +

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.

Related Vulnerabilities

CVE-2026-29013

libcoap contains out-of-bounds read vulnerabilities in OSCORE Appendix B.2 CBOR unwrap handling where get_byte_inc() in src/oscore/oscore_cbor.c relies solely on assert() …

CVE-2026-53566

Out-of-bounds read vulnerability in Citrix Citrix Secure Access Client for Windows. This issue affects Citrix Secure Access Client for Windows: …

CVE-2026-3508

An Out-of-bounds Read vulnerability in the IOCTL handler in ASUS System Control Interface allows a local user to cause system …

CVE-2025-48520

An improper input validation vulnerability within the AMD Platform Management Framework (PMF) driver can allow a local attacker to read …

CVE-2026-3894

Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overread Buffers.This issue affects Connext Professional: from 7.4.0 before 7.7.0, …

CVE-2025-4098

Horner Automation Cscape version 10.0 (10.0.415.2) SP1 is vulnerable to an out-of-bounds read vulnerability that could allow an attacker to …

CVE-2026-12091