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CVE-2026-1498: WatchGuard Firebox LDAP Injection

Deferred
Published 30-01-2026Last modified 24-08-2026

Vulnerability summary

CVE-2026-1498 is a high (CVSS 7.0) LDAP Injection vulnerability in watchguard fireware os. EPSS estimates a 0.93% chance of exploitation in the next 30 days, higher than 60.3% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.0/10
010
High · v4.0 (CVE.org)
EPSS score
0.93%
0%100%
Low · +0.06 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 30-01-2026
    PublishedVulnerability first disclosed.
  2. 24-08-2026
    Last modifiedVulnerability information updated.

Description

An LDAP Injection vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to retrieve sensitive information from a connected LDAP authentication server through an exposed authentication or management web interface. This vulnerability may also allow a remote attacker to authenticate as an LDAP user with a partial identifier if they additionally have that user's valid passphrase.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.93%

Chance of exploitation in the next 30 days

Percentile

60%

Versus all other CVEs

30-day change

Increase +0.06 pp

From 0.87% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Watchguard1 product
  • fireware os≥ 2025.1, < 2026.1 | ≥ 12.0, < 12.11.7 | ≥ 12.0, < 12.5.16

1 vendor · 1 product

References

2 links