CVE-2026-0977IBM CICS Transaction Gateway for Multiplatforms Information Disclosure
- 5.1MediumCVSS base score
- 0.23%Exploitation in 30 daysEPSS · top 86% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By ibm
- 57 days later
· 57 days later
Published
- 3 days later
· 3 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ibmCNA (assigner) | 3.1 | Medium5.1 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| NVDNVD · Analyzed | 3.1 | High7.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.23% · top 86% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.1.
Affected products
IBM · CICS Transaction Gateway for Multiplatforms
- affected 9.3
- affected 10.1
What to do
Solution: IBM strongly recommends addressing the vulnerabilities now by configuring proper egress/ingress policies at either the POD or HOST level. More details as to how to do this are described in the following CICS Transaction Gateway for Multiplatforms documentation. ProductVRMFRemediation/First FixCICS Transaction Gateway for Multiplatforms9.3Refer to this documentation https://www.ibm.com/docs/en/cics-tg-multi/9.3.0 CICS Transaction Gateway for Multiplatforms10.1Refer to this documentation https://www.ibm.com/docs/en/cics-tg-multi/10.1.0
References
References1
- https://www.ibm.com/support/pages/node/7263518 (opens in a new tab)patchvendor-advisory
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-12071 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-0977)Record last updated .