Security readout for executives and security teams
Plain-English summary
OpenViking can mishandle imported .ovpack ZIP files. A malicious archive may write files outside the intended import folder, potentially overwriting application or user files with the privileges of the importing process. Exploitation requires a user or operator to import the crafted package.
Executive priority
Treat as high priority for teams using OpenViking with shared or external package imports. The main business risk is local file overwrite under user or service privileges, not confirmed remote exploitation.
Technical view
CVE-2026-28518 is a CWE-22 ZIP Slip path traversal in OpenViking .ovpack import handling, affecting versions 0.2.1 and prior. Archive member names using traversal sequences, absolute paths, or drive prefixes can escape the import directory. The issue is reported fixed in commit 46b3e76e28b9b3eee73693720c9ec48820228b72.
Likely exposure
Exposure is most likely where OpenViking is installed and users import .ovpack files from external, shared, or untrusted sources. Server-side exposure is not established by the provided sources.
Exploitation context
The CVSS vector indicates local attack, low complexity, no privileges, and required user interaction. The source bundle does not show KEV listing or other evidence of active exploitation.
Researcher notes
Evidence supports arbitrary file write outside the intended import directory during .ovpack ZIP extraction. The provided sources do not establish a released version number, public exploit use, or broader product impact beyond OpenViking 0.2.1 and prior.
Mitigation direction
- Update OpenViking to a build containing commit 46b3e76e28b9b3eee73693720c9ec48820228b72.
- Avoid importing .ovpack files from untrusted or unauthenticated sources.
- Run OpenViking with least-privilege filesystem access where practical.
- Monitor Volcengine/OpenViking and VulnCheck guidance for packaged release or mitigation details.
Validation and detection
- Inventory OpenViking installations and identify versions 0.2.1 or prior.
- Confirm the deployed code includes the fixed commit 46b3e76e28b9b3eee73693720c9ec48820228b72.
- Review workflows for user-imported .ovpack files from external sources.
- Check for unexpected file creation or overwrites around recent .ovpack imports.
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-2026-28518 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
- 8.4 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA: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.
SSVC decision data
CVSS vector scores
2 official scoresWe 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:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N——VulnCheckCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9VulnCheckVulnerability scoring details
Base CVSS 4.0 score
8.4HighVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/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/volcengine/OpenViking/issues/342CVE reference, VulnCheck · issue-tracking
- https://github.com/volcengine/OpenViking/commit/46b3e76e28b9b3eee73693720c9ec48820228b72CVE reference, VulnCheck · patch
- https://www.vulncheck.com/advisories/openviking-ovpack-import-zip-slip-path-traversalCVE reference, VulnCheck · third-party-advisory
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.