CVE-2023-5839 — Privilege Chaining in GitHub repository hestiacp/hestiacp prior to 1

Privilege Chaining in GitHub repository hestiacp/hestiacp prior to 1.8.9.

01What is this vulnerability?

Privilege Chaining in GitHub repository hestiacp/hestiacp prior to 1.8.9.

02Affected products

Vendor	Product	Versions
hestiacp	hestiacp/hestiacp	unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-10-29T00:00:19.041Z
• Last modified: 2024-09-06T19:32:01.256Z

09References

• huntr.com — https://huntr.com/bounties/21125f12-64a0-42a3-b218-26b9945a5bc0
• github.com — https://github.com/hestiacp/hestiacp/commit/acb766e1db53de70534524b3fbc227068911…