CVE-2026-0977
CVE-2026-0977 is a medium-severity vulnerability in Ibm Cics Transaction Gateway with a CVSS 3.x base score of 5.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.
Key facts
- Severity: Medium (CVSS 3.x base score 5.1)
- EPSS exploit prediction: 0% (11th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-12071
- Weakness: CWE-284
- Affected product: Ibm Cics Transaction Gateway
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-0977?
- 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.
- How severe is CVE-2026-0977?
- CVE-2026-0977 has a CVSS 3.x base score of 5.1, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2026-0977 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-0977?
- CVE-2026-0977 primarily affects Ibm Cics Transaction Gateway. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-0977?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-0977 have an EU (EUVD) identifier?
- Yes. CVE-2026-0977 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12071.
- When was CVE-2026-0977 published?
- CVE-2026-0977 was published on 2026-03-16 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:a:ibm:cics_transaction_gateway:9.3:*:*:*:*:multiplatforms:*:*
- cpe:2.3:a:ibm:cics_transaction_gateway:10.1:*:*:*:*:multiplatforms:*:*
More vulnerabilities in Ibm Cics Transaction Gateway
- CVE-2023-50310 — Medium (CVSS 4.9): IBM CICS Transaction Gateway for Multiplatforms 9.2 and 9.3 transmits or stores authentication credentials, but it uses…
- CVE-2023-47140 — Medium (CVSS 4.0): IBM CICS Transaction Gateway 9.3 could allow a user to transfer or view files due to improper access controls.
- CVE-2023-50311 — Low (CVSS 3.1): IBM CICS Transaction Gateway for Multiplatforms 9.2 and 9.3 could disclose sensitive path information to an attacker…
All CVEs affecting Ibm Cics Transaction Gateway →
Other CWE-284 (Improper Access Control) vulnerabilities
- CVE-2026-50746 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi…
- CVE-2026-46978 — Critical (CVSS 10.0): Vulnerability in the Oracle Solaris product of Oracle Systems (component: Remote Administration Daemon). The…
- CVE-2026-35308 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party Jars).…
- CVE-2026-35307 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that…
- CVE-2026-46695 — Critical (CVSS 10.0): Boxlite is a sandbox service that allows users to create lightweight virtual machines (Boxes) and launch OCI containers…
- CVE-2026-46840 — Critical (CVSS 10.0): Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service). Supported versions that are affected are…
Browse all CWE-284 (Improper Access Control) vulnerabilities →