Security readout for executives and security teams
Plain-English summary
Ajenti versions before 2.2.13 can allow an unauthenticated attacker to execute arbitrary code on the server. Because Ajenti is an administrative control panel, compromise could lead to full server control. The vendor advisory says version 2.2.13 fixes the issue.
Executive priority
Treat as urgent for any exposed Ajenti server. This is a remote unauthenticated code execution risk against an admin panel, with high potential business impact if exploited. Patch quickly and reduce exposure.
Technical view
CVE-2026-27975 affects ajenti/ajenti prior to 2.2.13. The issue is categorized as CWE-284 and scored CVSS 4.0 8.1 high, with network access, low complexity, no privileges, and no user interaction required. The impact is high for confidentiality, integrity, and availability of the vulnerable server.
Likely exposure
Exposure is likely where Ajenti is deployed on Linux or BSD servers and reachable by untrusted networks. Internet-facing admin panels are the highest concern. The provided sources do not list specific default ports, deployment patterns, or affected operating system versions.
Exploitation context
The CVSS vector indicates remote, unauthenticated exploitation with low attack complexity. The source bundle does not indicate known active exploitation, and KEV status is false. No exploit details are provided in the cited sources.
Researcher notes
Evidence is limited to the CVE record, GitHub advisory, and 2.2.13 release reference. The advisory states unauthenticated arbitrary code execution before 2.2.13. No public exploit, attack path detail, or workaround beyond the fixed version is included in the provided sources.
Mitigation direction
- Upgrade Ajenti to version 2.2.13 or later.
- Prioritize internet-facing Ajenti instances first.
- Restrict Ajenti access to trusted administrative networks where possible.
- Review vendor advisory and release notes for additional guidance.
- Monitor affected servers for suspicious administrative or process activity.
Validation and detection
- Inventory all servers running Ajenti.
- Confirm each Ajenti version is 2.2.13 or later.
- Identify whether Ajenti is reachable from the internet.
- Check change records for timely upgrade completion.
- Review logs for unusual access before patching.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-27975 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.1 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.1HighVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/ajenti/ajenti/security/advisories/GHSA-vcw3-r3fx-j444CVE reference · x_refsource_CONFIRM
- https://github.com/ajenti/ajenti/releases/tag/v2.2.13CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.