[NEW] [high] cPanel cPanel/WHM: Multiple vulnerabilities
An attacker can exploit multiple vulnerabilities in cPanel cPanel/WHM to potentially execute arbitrary code, disclose confidential information, bypass security measures, manipulate data, or cause a denial-of-service condition.
CSIRTS triage
- What
- Multiple vulnerabilities can potentially allow arbitrary code execution, information disclosure, and denial-of-service conditions.
- Who is affected
- Deployments of cPanel/WHM.
- Urgency
- Remediation is important due to the potential severity of the vulnerabilities.
- Action
- Update to the latest version of cPanel/WHM.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2508
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-137130.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.
- Low exploitation riskCVE-2026-570750.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all scored CVEs.
- Low exploitation riskCVE-2026-570760.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.
- Low exploitation riskCVE-2026-570770.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-13713 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-57075 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-57076 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-57077 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- highCVE-2026-57077: YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via an unbounded newline …nvd
- highCVE-2026-57076: YAML::Syck versions before 1.47 for Perl allow a heap use-after-free via an anchor name reused…nvd
- criticalCVE-2026-57075: YAML::Syck versions before 1.47 for Perl allow an out-of-bounds read via a signed-char lookup-…nvd
- mediumCVE-2026-13713: YAML::Syck versions before 1.47 for Perl allow a use-after-free and double-free via an anchor …nvd
Recent advisories for cPanel cPanel/WHM
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- high[UPDATE] [high] cPanel cPanel/WHM: Multiple vulnerabilitiescert-bund · 2026-07-28
- high[UPDATE] [high] cPanel cPanel/WHM (perl-YAML-Syck): Vulnerability allows code execution and DoScert-bund · 2026-07-28
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