Security readout for executives and security teams
Plain-English summary
A flaw in WatchGuard Fireware OS can let an unauthenticated remote attacker misuse an exposed authentication or management interface to obtain sensitive data from a connected LDAP directory. A separate scenario may permit login using only part of an LDAP username, but the attacker must already know that user’s valid passphrase.
Executive priority
Treat this as a high-priority exposure review, especially where Firebox interfaces are internet-reachable and connected to corporate LDAP. Promptly confirm affected builds with WatchGuard, reduce interface exposure, and follow vendor remediation guidance. There is no supplied evidence of active exploitation, so emergency incident status is not automatically warranted.
Technical view
CVE-2026-1498 is an LDAP injection weakness (CWE-90) rated 7.0 under CVSS 4.0. It is network-accessible, requires no privileges or user interaction, and has an additional attack prerequisite. Reported effects include LDAP information disclosure and partial-identifier authentication when paired with a valid passphrase.
Likely exposure
Exposure requires Fireware OS, an LDAP authentication connection, and a network-reachable authentication or management web interface. Internet-facing interfaces present greater concern. The bundle mentions versions 2025.1 and 12.0, but its duplicated, default-unaffected version data does not establish precise vulnerable build ranges.
Exploitation context
The supplied sources do not report active exploitation, and the CVE is not listed as KEV in the bundle. Exploitation is remotely reachable under specific deployment conditions. Information retrieval needs no authentication; the authentication-bypass scenario additionally requires a valid LDAP user passphrase.
Researcher notes
The CVSS vector is CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N. The bundle does not specify injected filter behavior, exact vulnerable build boundaries, fixed versions, indicators of compromise, or proof-of-concept availability. Its affected-version records are internally ambiguous and should not be treated as definitive inventory rules.
Mitigation direction
- Consult WatchGuard’s advisories to identify affected builds and the vendor-recommended fixed release or mitigation.
- Restrict authentication and management web interfaces to trusted networks and administrators.
- Remove unnecessary internet exposure using existing firewall, VPN, or access-control protections.
- Monitor Firebox and LDAP logs for unusual directory queries and authentication attempts.
Validation and detection
- Inventory Fireboxes, installed Fireware versions, and LDAP authentication configurations.
- Identify every network path exposing authentication or management web interfaces.
- Compare exact installed builds with WatchGuard’s current advisory because the bundle’s version data is ambiguous.
- Review Firebox and LDAP logs for anomalous information access or partial-identifier authentication patterns.
- Confirm exposure restrictions remain effective after remediation.
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-90: 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 lookupCVE-2026-1498 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 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/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
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:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N——WatchGuardVulnerability scoring details
Base CVSS 4.0 score
7HighVector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA: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
- https://psirt.watchguard.com/CVE-2026-1498CVE reference, WatchGuard · vendor-advisory
- https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00001CVE reference, WatchGuard · vendor-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 LDAP Query ('LDAP Injection')
Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.