Security readout for executives and security teams
Plain-English summary
Zed code editor versions before 0.224.4 can be tricked by a malicious extension archive into writing files outside the intended extension directory. This is a Zip Slip path traversal issue. It requires user interaction, likely installing or loading a crafted extension, but could let an attacker alter files on the user’s system.
Executive priority
Treat as a high-priority developer workstation issue. It is not reported as actively exploited in the provided sources, but successful abuse could modify files outside the intended extension area. Prioritize upgrading Zed where developers use extensions.
Technical view
The vulnerable `extract_zip()` function in `crates/util/src/archive.rs` did not validate ZIP entry filenames for traversal sequences such as `../`. A crafted extension ZIP could escape the intended sandbox directory during extraction. The issue is classified as CWE-22, affects Zed before 0.224.4, and is fixed in 0.224.4.
Likely exposure
Organizations are exposed where developers or users run Zed versions earlier than 0.224.4 and can install or download extensions. Risk is higher in environments that allow untrusted extensions or informal extension sharing.
Exploitation context
The CVSS vector indicates network delivery, low complexity, no privileges required, and required user interaction. The provided sources do not state active exploitation, and the CVE is not listed as KEV in the bundle.
Researcher notes
Evidence is limited to the CVE record and GitHub advisory reference. The advisory states the vulnerable function, affected version range, path traversal condition, and fixed version. No public exploit status, indicators, or broader impact details are provided in the source bundle.
Mitigation direction
- Upgrade Zed to version 0.224.4 or later.
- Review vendor advisory GHSA-v385-xh3h-rrfr for any updated guidance.
- Restrict use of untrusted Zed extensions until upgrades are complete.
- Prefer extensions from trusted sources and controlled internal distribution.
Validation and detection
- Inventory Zed installations and identify versions earlier than 0.224.4.
- Confirm upgraded systems report Zed version 0.224.4 or later.
- Review extension installation practices for untrusted or externally sourced archives.
- Check vendor advisory for any additional indicators or recommendations.
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-22: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection 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 lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-27800 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
- 7.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N2.84Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.4HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/zed-industries/zed/security/advisories/GHSA-v385-xh3h-rrfrCVE reference · x_refsource_CONFIRM
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 Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.