Security readout for executives and security teams
Plain-English summary
OpenCATS has a high-severity SQL injection flaw in an authenticated candidates grid feature. A logged-in attacker could manipulate filter data for a Tags column and make the database run unintended queries. The main business concern is exposure of recruiting data and possible unauthorized database changes.
Executive priority
Treat this as a near-term remediation item where OpenCATS stores sensitive candidate or HR data. Authentication lowers exposure compared with unauthenticated attacks, but compromise could still affect confidential records and database integrity.
Technical view
The vulnerability is CWE-89 SQL injection in OpenCATS DataGrid filter handling. Sources say attackers with low privileges can bypass non-filterable column restrictions and inject SQL through crafted filters targeting the Candidates DataGrid Tags column. CVSS v4.0 is 8.6 with high confidentiality and integrity impact.
Likely exposure
Organizations running OpenCATS version 0.9.1a or later may be exposed, based on the description. The affected-version metadata in the bundle appears incomplete, so teams should verify exact affected and fixed versions against vendor guidance.
Exploitation context
The bundle does not report known active exploitation, and KEV is false. Exploitation requires authentication but no user interaction. Public advisories exist from GitHub and VulnCheck, which increases defender urgency without proving real-world exploitation.
Researcher notes
Key evidence is source-bundle based. The description names OpenCATS from 0.9.1a, while structured affected data is not precise. No exploit code, active exploitation, or confirmed patch details are provided in the bundle.
Mitigation direction
- Review the GitHub advisory for a fixed release or vendor workaround.
- Restrict OpenCATS access to trusted users and networks.
- Audit user accounts and remove unnecessary OpenCATS access.
- Limit database privileges used by the OpenCATS application account.
- Monitor database and application logs for unusual DataGrid filter activity.
Validation and detection
- Inventory all OpenCATS instances and confirm deployed versions.
- Check whether Candidates DataGrid filtering is reachable by low-privileged users.
- Review logs for abnormal candidate search or filtering activity.
- Compare installed code and configuration with vendor advisory guidance.
- Track CVE, GHSA, and VulnCheck updates for patch details.
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-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. 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 lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-49490 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
- 8.6 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/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:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N——VulnCheckCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N2.85.2VulnCheckVulnerability scoring details
Base CVSS 4.0 score
8.6HighVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Base CVSS 3.1 score
8.1HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
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
- GHSA Advisory GHSA-gmpc-j6h7-vw74CVE reference, VulnCheck · vendor-advisory
- VulnCheck Advisory: OpenCATS - SQL Injection in DataGrid Filter Handling for Tags ColumnCVE 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.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.