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PatchSiren cyber security CVE debrief

CVE-2026-30993 Slah Informatica CVE debrief

A critical vulnerability was discovered in Slah CMS v1.5.0 and below, allowing for remote code execution (RCE) via a crafted input in the session() function at config.php. This issue is exploitable and has a CVSS score of 9.8. The vulnerability affects Slah CMS deployments, which defenders and administrators should assess for exposure and apply necessary patches or mitigations to prevent potential remote code execution. The CVE record and NVD detail page provide official information on the vulnerability.

Vendor
Slah Informatica
Product
Slah CMS
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-15
Original CVE updated
2026-10-26
Advisory published
2026-04-15
Advisory updated
2026-10-26

Who should care

Defenders and administrators of Slah CMS deployments should assess exposure and apply necessary patches or mitigations. They should also verify inventory of Slah CMS deployments and monitor for potential exploitation attempts. Additionally, security teams and vulnerability management teams should review the vulnerability and its implications for their organizations.

Why it matters

CVE-2026-30993 is a critical RCE vulnerability in Slah CMS v1.5.0 and below. Defenders and administrators should assess exposure and apply patches or mitigations. The vulnerability has a CVSS score of 9.8 and requires immediate attention.

  • Potential remote code execution
  • Critical severity with CVSS score of 9.8
  • Requires immediate attention for patching or mitigation

Technical summary

The vulnerability is located in the session() function at config.php in Slah CMS v1.5.0 and below. It allows for remote code execution via a crafted input. The CVSS score is 9.8, indicating critical severity. The vulnerability has significant defensive implications, as it enables attackers to execute arbitrary code on affected systems. Defenders should focus on applying patches or mitigations to prevent exploitation.

Defensive priority

Immediate attention is required to assess exposure and apply patches or mitigations.

Recommended defensive actions

  • Assess exposure of Slah CMS installations to this vulnerability
  • Apply patches or mitigations if available
  • Verify inventory of Slah CMS deployments
  • Monitor for potential exploitation attempts

Evidence notes

The CVE record and NVD detail page provide official information on the vulnerability. However, the vendor and affected versions are not clearly identified, requiring further verification.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-30993 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-30993

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-30993 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-30993

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.