CVE-2020-26100

CRITICALNVD 9.89.8

9.8

chsh in cPanel before 88.0.3 allows a Jailshell escape (SEC-497).

CVSS v3: 9.8
EG Score: 9.8(low)
EPSS: 80.1%
KEV: Not listed

Published

September 25, 2020

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://docs.cpanel.net/changelogs/88-change-log/
af854a3a-2127-422b-91ae-364da2661108https://docs.cpanel.net/changelogs/88-change-log/

Data Freshness Timeline

(refreshed 12× in last 7d / 20× 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.

2026-06-08 14:15 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore

Frequently asked(5)

What is CVE-2020-26100?

CVE-2020-26100 is a critical vulnerability published on September 25, 2020. chsh in cPanel before 88.0.3 allows a Jailshell escape (SEC-497).

When was CVE-2020-26100 disclosed?

CVE-2020-26100 was first published in the National Vulnerability Database on September 25, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-26100 actively exploited?

CVE-2020-26100 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 80.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-26100?

CVE-2020-26100 has a CVSS v3 base score of 9.8 (NVD). The EG score is currently aggregating — additional source signals are being incorporated as they become available..

How do I remediate CVE-2020-26100?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-26100, 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.

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CVE-2020-26100

📅 Published

🔄 Last Modified

🔗 References (2)