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CVE-2026-49091: Improper Encoding or Escaping of Output

🗓️ 01 Jul 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Improper Output Neutralization for Logs (CWE-117) in Kibana can lead to log injection via Log Injection-Tampering-Forging (CAPEC-93). An attacker can supply specially crafted input that is written to log files without proper neutralization. When t...

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-49091
1 Jul 202617:21
–attackerkb
circl
Circl
CVE-2026-49091
1 Jul 202621:16
–circl
cve
CVE
CVE-2026-49091
1 Jul 202617:21
–cve
cvelist
Cvelist
CVE-2026-49091 Improper Output Neutralization for Logs in Kibana Leading to Log Injection
1 Jul 202617:21
–cvelist
elastic
Elastic
Kibana 7.17.15, 8.11.1 Security Update (ESA-2026-53)
1 Jul 202614:05
–elastic
euvd
EUVD
EUVD-2026-41101
1 Jul 202617:21
–euvd
nessus
Tenable Nessus
Kibana 7.x < 7.17.15 / 8.x < 8.11.1 Log Injection (ESA-2026-53)
10 Jul 202600:00
–nessus
nvd
NVD
CVE-2026-49091
1 Jul 202618:16
–nvd
ptsecurity
Positive Technologies
PT-2026-54770
1 Jul 202600:00
–ptsecurity
snyk
Snyk
Improper Encoding or Escaping of Output
1 Jul 202619:24
–snyk
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02 Jul 2026 00:00Current
CVSS 3.18
EPSS0.00317
SSVC
0