CVE-2020-26099 json
cPanel before 88.0.3 allows attackers to bypass the SMTP greylisting protection mechanism (SEC-491).
published 2020-09-25 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-18729
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 68%
- public exploits
- 0
- none known
Summary
cPanel before 88.0.3 allows attackers to bypass the SMTP greylisting protection mechanism (SEC-491).
Patch / fix
- cpanel cpanel 88.0.3
Exploit prediction
1.21% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
References
-
docs.cpanel.net
/changelogs/88-change-log/
release-notes, vendor-advisory
Sources
- CVE List CVE-2020-26099
- NVD CVE-2020-26099
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.