Security readout for executives and security teams
Plain-English summary
CVE-2026-22786 affects gin-vue-admin versions 2.8.7 and earlier. A privileged user with file upload access can abuse the breakpoint-resume upload feature to place files outside the intended upload folder. This could affect confidentiality, integrity, and availability of the application host, depending on where files are written.
Executive priority
Treat as a high-priority fix for affected gin-vue-admin deployments, especially production admin systems. The vulnerability requires privileged access, but successful abuse could let an insider or compromised admin account write files outside intended directories.
Technical view
The /fileUploadAndDownload/breakpointContinueFinish endpoint passes fileName into MakeFile in breakpoint_continue.go. The value is concatenated with ./fileDir/ and used with os.OpenFile() without blocking traversal sequences. This enables path traversal plus arbitrary file upload for users with upload privileges. CVSS v4.0 is 7.3 High with PR:H and AV:N.
Likely exposure
Organizations running flipped-aurora gin-vue-admin <=2.8.7 are exposed if users with upload privileges can reach the breakpoint resume upload API. Risk is higher where the management system is broadly reachable or privileged accounts are weakly controlled.
Exploitation context
The CVE is not listed in KEV, and the provided sources do not state active exploitation. Exploitation requires high privileges according to the CVSS vector, but no user interaction and low attack complexity are indicated.
Researcher notes
Evidence comes from the CVE record, GitHub advisory, and linked fixing commit. The core issue is missing filename/path validation before file creation. Sources do not provide evidence of active exploitation or a named fixed release beyond the referenced commit.
Mitigation direction
- Review the GitHub advisory and vendor commit for the official fix details.
- Upgrade or patch gin-vue-admin according to vendor guidance.
- Restrict access to file upload functions to trusted administrative users only.
- Limit network access to the gin-vue-admin management interface where possible.
- Monitor vendor releases if no packaged fixed version is available.
Validation and detection
- Inventory gin-vue-admin deployments and identify versions <=2.8.7.
- Confirm whether the breakpoint resume upload endpoint is enabled and reachable.
- Review roles and accounts with file upload privileges.
- Compare local code against commit 2242f5d6e133e96d1b359ac019bf54fa0e975dd5.
- Check application logs for suspicious upload filenames or unexpected target paths.
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 lookupCWE-434: 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-2026-22786 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
- 7.3 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
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:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
7.3HighVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/flipped-aurora/gin-vue-admin/security/advisories/GHSA-3558-j79f-vvm6CVE reference · x_refsource_CONFIRM
- https://github.com/flipped-aurora/gin-vue-admin/commit/2242f5d6e133e96d1b359ac019bf54fa0e975dd5CVE 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.