A server-side request forgery vulnerability in Progress MarkLogic Server before 11.3.6 and 12.0.3 allows an authenticated user with low-privileged roles to bypass protections for cloud instance metadata endpoints. Successful exploitation can disclose cloud credentials and compromise cloud resources accessible to the host instance.
CVE-2026-9203
Score 8.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-05. a secondary CVSS source baseline 8.5; sources differ by 0.0.
- 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
- 8.5
- EG Score
- 8.5(high)
- EG Risk
- 38(Track)EG Risk 38/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity85% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 12%
- KEV
- Not listed
Published
August 5, 2026
Last Modified
August 7, 2026
Advisory Details (1)
Auto-updated Aug 5, 2026Progress Customer Community
https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-August-2026Vendor Advisories for CVE-2026-9203(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 30× in last 7d / 69× 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.
- 2026-08-21 06:36 UTCEG score recompute
- 2026-08-21 06:36 UTCGHSA enrichment
- 2026-08-20 22:56 UTCEPSS rescore
- 2026-08-20 18:58 UTCGHSA enrichment
- 2026-08-20 07:20 UTCGHSA enrichment
- 2026-08-19 19:42 UTCEG score recompute
- 2026-08-19 19:42 UTCGHSA enrichment
- 2026-08-19 17:04 UTCEPSS rescore
- 2026-08-19 08:04 UTCGHSA enrichment
- 2026-08-18 20:26 UTCEG score recompute
- 2026-08-18 20:26 UTCGHSA enrichment
- 2026-08-18 13:49 UTCEPSS rescore
- 2026-08-18 08:48 UTCGHSA enrichment
- 2026-08-17 21:10 UTCEG score recompute
- 2026-08-17 21:10 UTCGHSA enrichment
- 2026-08-17 13:47 UTCEPSS rescore
- 2026-08-17 09:31 UTCGHSA enrichment
- 2026-08-16 21:54 UTCEG score recompute
- 2026-08-16 21:54 UTCGHSA enrichment
- 2026-08-16 14:56 UTCEPSS rescore
- 2026-08-16 14:56 UTCEPSS rescore
- 2026-08-16 10:16 UTCEG score recompute
- 2026-08-16 10:16 UTCGHSA enrichment
- 2026-08-16 02:15 UTCEPSS rescore
- 2026-08-15 22:39 UTCGHSA enrichment
Show 44 moreShow fewer
- 2026-08-15 11:01 UTCEG score recompute
- 2026-08-15 11:01 UTCGHSA enrichment
- 2026-08-15 01:31 UTCEPSS rescore
- 2026-08-14 23:23 UTCGHSA enrichment
- 2026-08-14 11:45 UTCGHSA enrichment
- 2026-08-14 00:08 UTCEG score recompute
- 2026-08-14 00:08 UTCGHSA enrichment
- 2026-08-13 22:00 UTCEPSS rescore
- 2026-08-13 12:30 UTCGHSA enrichment
- 2026-08-13 00:50 UTCEG score recompute
- 2026-08-13 00:50 UTCGHSA enrichment
- 2026-08-12 13:51 UTCEPSS rescore
- 2026-08-12 13:13 UTCGHSA enrichment
- 2026-08-12 01:35 UTCGHSA enrichment
- 2026-08-11 13:58 UTCEG score recompute
- 2026-08-11 13:58 UTCGHSA enrichment
- 2026-08-11 13:43 UTCEPSS rescore
- 2026-08-11 02:20 UTCEG score recompute
- 2026-08-11 02:20 UTCGHSA enrichment
- 2026-08-11 00:00 UTCEPSS rescore
- 2026-08-10 14:43 UTCGHSA enrichment
- 2026-08-10 03:05 UTCGHSA enrichment
- 2026-08-09 15:28 UTCEG score recompute
- 2026-08-09 15:28 UTCGHSA enrichment
- 2026-08-09 13:47 UTCEPSS rescore
- 2026-08-09 03:50 UTCEG score recompute
- 2026-08-09 03:50 UTCGHSA enrichment
- 2026-08-08 16:37 UTCEPSS rescore
- 2026-08-08 16:13 UTCGHSA enrichment
- 2026-08-08 04:35 UTCGHSA enrichment
- 2026-08-07 16:58 UTCGHSA enrichment
- 2026-08-07 05:20 UTCEG score recompute
- 2026-08-07 05:20 UTCGHSA enrichment
- 2026-08-07 04:19 UTCEG score recompute
- 2026-08-07 04:19 UTCGHSA enrichment
- 2026-08-06 18:47 UTCEG score recompute
- 2026-08-06 18:47 UTCGHSA enrichment
- 2026-08-06 13:47 UTCEPSS rescore
- 2026-08-06 07:09 UTCGHSA enrichment
- 2026-08-05 19:31 UTCEG score recompute
- 2026-08-05 19:31 UTCGHSA enrichment
- 2026-08-05 16:28 UTCEG score recompute
- 2026-08-05 16:11 UTCEG score recompute
- 2026-08-05 16:10 UTCMITRE cvelistV5first tracked
Frequently asked(5)
What is CVE-2026-9203?
When was CVE-2026-9203 disclosed?
Is CVE-2026-9203 actively exploited?
What is the CVSS score of CVE-2026-9203?
How do I remediate CVE-2026-9203?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-9203
Is Your Infrastructure Affected by CVE-2026-9203?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.