Security readout for executives and security teams
Plain-English summary
An authenticated Pheditor user can bypass command restrictions and run arbitrary operating-system commands with the web server’s privileges. This could expose files, alter hosted content, disrupt service, or enable broader compromise. Versions 2.0.1 through 2.0.3 are affected; version 2.0.4 contains the patch.
Executive priority
Treat this as an immediate remediation priority for every affected deployment. Although authentication is required, a low-privileged or compromised account could gain command execution with web server privileges. Upgrade promptly and investigate exposed systems for suspicious activity; current sources do not confirm exploitation in the wild.
Technical view
The terminal action handler passes the unsanitized dir POST parameter into an operating-system command. Shell metacharacters can bypass the TERMINAL_COMMANDS whitelist, producing remote command execution. The issue is CWE-78 with CVSS 3.1 score 9.9 because exploitation is network-accessible, low-complexity, requires low privileges, and can severely affect confidentiality, integrity, and availability.
Likely exposure
Exposure is limited to Pheditor versions 2.0.1 through 2.0.3 where an attacker has authenticated access to the terminal handler. Internet-accessible deployments, weak account controls, or compromised user credentials increase practical risk. The source bundle does not identify affected deployment counts or default exposure.
Exploitation context
The vulnerability requires an authenticated Pheditor account but needs no victim interaction. Successful exploitation executes commands under the web server account and bypasses the configured terminal-command whitelist. The supplied sources do not establish active exploitation, public weaponization, or CISA KEV inclusion.
Researcher notes
The affected boundary is stated as versions 2.0.1 to before 2.0.4. The security consequence is command injection through the dir parameter in the terminal action handler, not merely whitelist bypass. No CPEs, deployment prevalence, forensic indicators, or verified exploitation evidence are supplied.
Mitigation direction
- Upgrade Pheditor to version 2.0.4 or later.
- Restrict Pheditor access until upgrading, especially for internet-facing deployments.
- Review and revoke unnecessary Pheditor accounts and sessions.
- Follow the vendor advisory for any additional hardening guidance.
Validation and detection
- Inventory Pheditor deployments and identify installed versions.
- Confirm no deployment remains on versions 2.0.1 through 2.0.3.
- Verify access to Pheditor requires authorized authentication and appropriate network restrictions.
- Review web, authentication, and operating-system logs for unexpected terminal-handler activity.
- Confirm the upgraded deployment reports version 2.0.4 or later.
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-78: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. 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-2026-48030 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
- Critical
- CVSS
- 9.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
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.
SSVC decision data
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:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H3.16GitHub_MVulnerability scoring details
Base CVSS 3.1 score
9.9CriticalVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/pheditor/pheditor/security/advisories/GHSA-jvc5-6g7q-c843CVE reference, GitHub_M · x_refsource_CONFIRM
- https://github.com/pheditor/pheditor/releases/tag/2.0.4CVE reference, GitHub_M · 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 Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.