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Vulnerability record · CVE-2026-0977 · published 16 March 2026

CVE-2026-0977: Ibm cics transaction gateway improper access control vulnerability

Ibm · Cics Transaction Gateway

IBM CICS Transaction Gateway for Multiplatforms 9.3 and 10.1 could allow a user to transfer or view files due to improper access controls.

7.1 CVSS 3.1 High EPSS 0.21% · top 90.6% CWE-284 · Improper access control
7.1CVSS 3.1 base score
0.21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

IBM CICS Transaction Gateway for Multiplatforms 9.3 and 10.1 could allow a user to transfer or view files due to improper access controls.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.ibm.com/support/pages/node/7263518 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.1CVE-2023-47140Ibm cics transaction gateway vulnerabilityIBM CICS Transaction Gateway 9.3 could allow a user to transfer or view files due to improper access controls.EPSS 0.22%7.5CVE-2023-50310Ibm cics transaction gateway insufficiently protected credentials vulnerabilityIBM CICS Transaction Gateway for Multiplatforms 9.2 and 9.3 transmits or stores authentication credentials, but it uses an insecure method that is su…EPSS 0.40%3.1CVE-2023-50311Ibm cics transaction gateway insufficiently protected credentials vulnerabilityIBM CICS Transaction Gateway for Multiplatforms 9.2 and 9.3 could disclose sensitive path information to an attacker that could reveal through debugg…EPSS 0.32%7.8CVE-2026-81963Windows Update Stack link-following privilege escalationWindows Update Stack resolves links improperly before accessing files, a link-following flaw (CWE-59) compounded by improper access control (CWE-284)…KEVEPSS 0.39%analysed10.0CVE-2026-21962Oracle HTTP Server and WebLogic Proxy Plug-in improper access controlOracle HTTP Server and the WebLogic Server Proxy Plug-in (for Apache HTTP Server and IIS) contain an improper access control flaw (CWE-284) in suppor…KEVEPSS 71%analysed10.0CVE-2026-34908Ubiquiti UniFi OS improper access control allows unauthorized system changesUniFi OS devices contain an improper access control flaw (CWE-284) that lets a network-reachable actor make unauthorized changes to the system. The C…KEVEPSS 15%analysed10.0CVE-2026-48907JCE editor for Joomla allows unauthenticated profile creation and PHP uploadThe JCE editor extension for Joomla permits unauthenticated users to create new editor profiles, which leads to upload and execution of PHP code. Thi…KEVEPSS 16%analysed9.8CVE-2026-35616FortiClientEMS improper access control allows unauthenticated code executionFortinet FortiClientEMS 7.4.5 through 7.4.6 contains an improper access control flaw (CWE-284) that lets an unauthenticated attacker send crafted req…KEVEPSS 9.1%analysed

Source: NIST National Vulnerability Database (record CVE-2026-0977), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.