Vulnerability · Published May 12, 2026 · Assigned by Cribl
CVE-2026-45392DOM-based XSS in Cribl Stream
High 8.7
In plain English
A high-severity cross-site scripting in Cribl Stream from Cribl. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).
Severity (CVSS 3.1)8.7High
Exploit odds (30 days)0.3%top 79.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
DOM-based cross-site scripting (XSS) in Cribl Stream before 4.17.1 allows a remote attacker to execute arbitrary JavaScript in the browser of an authenticated user who is tricked into visiting a crafted URL and interacting with the page.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cribl | Cribl Stream | 0 – before 4.17.1 |
Weakness: CWE-79, CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
References
- Cribl Stream 4.17.1 Security Fixes release-notes
- Cribl Trust Portal vendor-advisory