CVE-2020-26100
chsh in cPanel before 88.0.3 allows a Jailshell escape (SEC-497).
chsh in cPanel before 88.0.3 allows a Jailshell escape (SEC-497).
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
chsh in cPanel before 88.0.3 allows a Jailshell escape (SEC-497).
- Record
CVE-2020-26100- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
chsh in cPanel before 88.0.3 allows a Jailshell escape (SEC-497).
- Record
CVE-2020-26100- Updated
- 2026-11-02
EUVDEUVD-2020-18730 No score
chsh in cPanel before 88.0.3 allows a Jailshell escape (SEC-497).
- Record
EUVD-2020-18730- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5jp3-j2j9-56cp No score
chsh in cPanel before 88.0.3 allows a Jailshell escape (SEC-497).
chsh in cPanel before 88.0.3 allows a Jailshell escape (SEC-497).
- Record
GHSA-5jp3-j2j9-56cp- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-26100 is a critical vulnerability (CVSS 9.8) in Cpanel, published September 25, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.61%, the 76th percentile. No source names a fixed version.