No exploitation reportedFix available

CVE-2026-14988

Q: Is CVE-2026-14988 actively exploited?

Active exploitation of CVE-2026-14988 has not been confirmed. Its EPSS score was 0.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2026-14988?

CVE-2026-14988 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

IBM DataPower Gateway Out-of-bounds Read

No exploitation reported by the sources we read.

Published2026-10-08
Fixed in11.0.0.3 · 10.6.0.11 · 10.5.0.23
WeaknessCWE-125

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 is vulnerable to buffer overflow.

Timeline

dates in UTC

2026-10-0815:17CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-14988?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-14988?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Ibm datapower gateway

Branch	Affected	Fixed in	Source
11.0	≥ 10.6.1.0, < 11.0.0.3	11.0.0.3	NVD
11.0	≥ 11.0.0.0, < 11.0.0.3	11.0.0.3	NVD
10.6	≥ 10.6.0.0, < 10.6.0.11	10.6.0.11	NVD
10.5	≥ 10.5.0.0, < 10.5.0.23	10.5.0.23	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Ibm datapower gateway to 11.0.0.3 · 10.6.0.11 · 10.5.0.23

Advisories and patches

www.ibm.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2026-10-08
OpenCVESSVC decisionnone—
CNACVSS 3.16.5read 2026-10-23
NVDCVSS 3.19.8read 2026-10-23
CNAweakness (CWE)CWE-125read 2026-10-23
FIRST EPSSEPSS score0.3 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2026-10-08
Last Modified: 2026-10-14
NVD status: Analyzed

Frequently asked questions

What is CVE-2026-14988?

IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 is vulnerable to buffer overflow.

Is CVE-2026-14988 actively exploited?

Active exploitation of CVE-2026-14988 has not been confirmed. Its EPSS score was 0.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-14988?

CVE-2026-14988 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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