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CVE-2026-27807: Improper Restriction of Recursive Entity References in DTDs

🗓️ 06 Mar 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Recursive entity reference in MarkUs YAML parsing before 2.9.4 enables DoS.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-27807
6 Mar 202602:48
–attackerkb
circl
Circl
CVE-2026-27807
6 Mar 202604:02
–circl
cnnvd
CNNVD
MarkUs 安全漏洞
6 Mar 202600:00
–cnnvd
cve
CVE
CVE-2026-27807
6 Mar 202602:48
–cve
cvelist
Cvelist
CVE-2026-27807 MarkUs: YAML alias (‘billion laughs’) DoS in config upload
6 Mar 202602:48
–cvelist
euvd
EUVD
EUVD-2026-9968
6 Mar 202602:48
–euvd
nvd
NVD
CVE-2026-27807
6 Mar 202604:16
–nvd
ptsecurity
Positive Technologies
PT-2026-23628
6 Mar 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-27807
7 Mar 202607:59
–redhatcve
vulnrichment
Vulnrichment
CVE-2026-27807 MarkUs: YAML alias (‘billion laughs’) DoS in config upload
6 Mar 202602:48
–vulnrichment

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12 Mar 2026 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.14.9
EPSS0.00467
SSVC
0