CVE-2026-9101

MEDIUMPre-NVD 4.34.3—Trending — 3 sources updated this week

4.3

Prototype pollution in csv parsing logic during import can lead to untrusted file paths (but not arguments) entering shell.openExternal after specific user behavior leading to "1-click" command execution.

CVSS v3: 4.3
EG Score: 4.3(high)
EPSS: 2.1%
KEV: Not listed

Published

May 20, 2026

Last Modified

May 27, 2026

References (1)

linkhttps://jira.mongodb.org/browse/COMPASS-10657

Vendor Advisories for CVE-2026-9101(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-hwpv-w8h7-v7qm
GitHub Security AdvisoriesMedium
Prototype pollution in csv parsing logic during import can lead to untrusted file paths (but not...

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-1321Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution)

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-03 20:41 UTCEG score recompute
2026-06-03 20:41 UTCGHSA enrichment
2026-06-02 22:44 UTCEG score recompute
2026-06-02 22:44 UTCGHSA enrichment
2026-06-02 20:13 UTCepss_batch
2026-06-02 00:47 UTCEG score recompute
2026-06-02 00:47 UTCGHSA enrichment
2026-06-01 13:52 UTCepss_batch
2026-06-01 02:51 UTCEG score recompute
2026-06-01 02:50 UTCGHSA enrichment
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-23 00:07 UTCEG score recompute
2026-05-22 22:08 UTCEG score recompute
2026-05-21 22:43 UTCepss_batch

Frequently asked(5)

What is CVE-2026-9101?

CVE-2026-9101 is a medium vulnerability published on May 20, 2026. Prototype pollution in csv parsing logic during import can lead to untrusted file paths (but not arguments) entering shell.openExternal after specific user behavior leading to "1-click" command execution.

When was CVE-2026-9101 disclosed?

CVE-2026-9101 was first published in the National Vulnerability Database on May 20, 2026, with the most recent update on May 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-9101 actively exploited?

CVE-2026-9101 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-9101?

CVE-2026-9101 has a CVSS v3 base score of 4.3 (NVD).

How do I remediate CVE-2026-9101?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9101, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-9101

📅 Published

🔄 Last Modified

🔗 References (1)

📣 Vendor Advisories for CVE-2026-9101(1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)