IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 is affected by an arbitrary file read vulnerability with the restConnector-2.0 feature enabled.
CVE-2026-11806
Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-06-30. NVD baseline CVSS 7.5; sources differ by 0.3.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.2(high)
- EPSS
- 37.5%
- KEV
- Not listed
Published
June 30, 2026
Last Modified
July 2, 2026
Advisory Details (1)
Auto-updated Jun 30, 2026Security Bulletin: IBM WebSphere Application Server Liberty is affected by a an arbitrary file read vulnerability (CVE-2026-11806)
https://www.ibm.com/support/pages/node/7277536Vendor Advisories for CVE-2026-11806(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 34× in last 7d / 34× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-07 01:07 UTCEG score recompute
- 2026-07-07 01:07 UTCGHSA enrichment
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 12:44 UTCEG score recompute
- 2026-07-06 12:44 UTCGHSA enrichment
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-06 00:21 UTCEG score recompute
- 2026-07-06 00:21 UTCGHSA enrichment
- 2026-07-05 11:57 UTCEG score recompute
- 2026-07-05 11:57 UTCGHSA enrichment
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-04 23:35 UTCEG score recompute
- 2026-07-04 23:35 UTCGHSA enrichment
- 2026-07-04 11:13 UTCEG score recompute
- 2026-07-04 11:13 UTCGHSA enrichment
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-03 22:50 UTCEG score recompute
- 2026-07-03 22:49 UTCGHSA enrichment
- 2026-07-03 10:26 UTCEG score recompute
- 2026-07-03 10:26 UTCGHSA enrichment
- 2026-07-02 22:03 UTCEG score recompute
- 2026-07-02 22:03 UTCGHSA enrichment
- 2026-07-02 20:05 UTCNVD updateCVSS v3 → 7.5
- 2026-07-02 09:41 UTCEG score recompute
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- 2026-07-02 09:41 UTCGHSA enrichment
- 2026-07-01 21:19 UTCEG score recompute
- 2026-07-01 21:19 UTCGHSA enrichment
- 2026-07-01 15:06 UTCEPSS rescore
- 2026-07-01 15:06 UTCEPSS rescore
- 2026-07-01 08:57 UTCEG score recompute
- 2026-07-01 08:57 UTCGHSA enrichment
- 2026-06-30 20:35 UTCEG score recompute
- 2026-06-30 20:33 UTCNVD updatefirst tracked
Frequently asked(5)
What is CVE-2026-11806?
When was CVE-2026-11806 disclosed?
Is CVE-2026-11806 actively exploited?
What is the CVSS score of CVE-2026-11806?
How do I remediate CVE-2026-11806?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-11806
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