CVE-2026-16626: jaspersoft jasperreports server
CVSS: 9.3v4.0CriticalAwaiting analysis
AliasesUBUNTU-CVE-2026-16626
Published 10-08-2026Last modified 11-08-2026
Vulnerability summary
CVE-2026-16626 is a critical (CVSS 9.3) vulnerability in jaspersoft jasperreports server. EPSS estimates a 0.45% chance of exploitation in the next 30 days, higher than 38% of scored vulnerabilities.
CVSS score
9.3/10
010
Critical · v4.0 (CVE.org)EPSS score
0.45%
0%100%
Low · +0.12 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 10-08-2026PublishedVulnerability first disclosed.
- 11-08-2026Last modifiedVulnerability information updated.
Description
Improper restriction of XML external entity reference vulnerability (unauthenticated) in Jaspersoft JasperReports Server. This issue affects JasperReports Server: from 9.0.0 before HF-9 and from 10.0.0 before HF-10.
CVSS metrics
3 scores · 3 sources · 1 versionCritical 9.3Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:L/SI:L/SA:LSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated9.3CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:L/SI:L/SA:L
- NVDNIST9.3CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS trend
Probability
0.45%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
+0.12 pp
From 0.33% on 20-09-2026
20-09-202620-10-2026
EPSS score0.45%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Jaspersoft1 product
- jasperreports server≥ 9.0.0, < HF-9 | ≥ 10.0.0, < HF-10
Ubuntu1 product
- jasperreportsAll versions (No fix recorded)
2 vendors · 2 products