Security readout for executives and security teams
Plain-English summary
CVE-2026-1549 is a path traversal issue in jishenghua jshERP’s plugin configuration upload endpoint. A logged-in remote attacker may manipulate an uploaded config file path to access unintended file locations. Public exploit information exists, but the sources do not show confirmed active exploitation or a vendor fix.
Executive priority
Treat this as a near-term remediation item, especially if jshERP is externally reachable or broadly accessible internally. It is not currently KEV-listed, but public exploit availability and missing vendor response warrant access restriction, monitoring, and close tracking for a fix.
Technical view
The issue affects PluginController at /jshERP-boot/plugin/uploadPluginConfigFile in jshERP versions 3.0 through 3.6. The configFile argument is not sufficiently constrained, causing CWE-22 path traversal. CVSS v4.0 is 5.3, with network access, low complexity, no user interaction, and low confidentiality impact; privileges are required.
Likely exposure
Exposure is most relevant for organizations running jshERP 3.0-3.6 with the jshERP application reachable by authenticated users. Internet-facing deployments, shared accounts, or weak access controls increase practical risk. The sources do not identify other affected products or versions beyond those listed.
Exploitation context
VulDB states the attack can be launched remotely and that exploit information is publicly available. The CVSS vector indicates low attack complexity but requires privileges. The CVE is not marked KEV, and the provided sources do not confirm active exploitation in the wild.
Researcher notes
Evidence points to path traversal via configFile in PluginController’s uploadPluginConfigFile endpoint. Privileges are required, and documented impact is limited to low confidentiality under CVSS v4.0. Vendor response and patch status are unclear in the supplied sources, so avoid assuming a fixed version.
Mitigation direction
- Inventory jshERP deployments and identify versions 3.0 through 3.6.
- Restrict access to jshERP administrative and plugin-related functions.
- Monitor vendor repository and issue tracker for an official fix.
- Apply vendor-provided updates or guidance when available.
- Limit exposure of jshERP to trusted networks where feasible.
Validation and detection
- Confirm deployed jshERP version and whether it is 3.0-3.6.
- Review access controls for plugin configuration upload functionality.
- Check application logs for unusual plugin configuration upload activity.
- Track GitHub issue 146 and VulDB entry for status changes.
- Verify whether any compensating network restrictions protect the endpoint.
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-2026-1549 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
- Medium
- CVSS
- 5.3 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
5.3MediumVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
Source materials
- CVE List V5 sourceCVE List V5
- VDB-343245 | jishenghua jshERP PluginController uploadPluginConfigFile path traversalCVE reference · vdb-entry, technical-description
- VDB-343245 | CTI Indicators (IOB, IOC, TTP, IOA)CVE reference · signature, permissions-required
- Submit #739805 | https://github.com/jishenghua/jshERP jshERP v3.6 Path TraversalCVE reference · third-party-advisory
- https://github.com/jishenghua/jshERP/issues/146CVE reference · issue-tracking, exploit
- https://github.com/jishenghua/jshERP/CVE reference · product
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.