CVE-2026-47889: spring spring framework
CVSS: 7.5v3.1HighAnalyzed
AliasesUBUNTU-CVE-2026-47889
Published 27-08-2026Last modified 27-08-2026
Vulnerability summary
CVE-2026-47889 is a high (CVSS 7.5) vulnerability in spring spring framework. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 35.6% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.43%
0%100%
Low · +0.17 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 27-08-2026PublishedVulnerability first disclosed.
- 27-08-2026Last modifiedVulnerability information updated.
Description
A WebFlux application running on the Jetty 12 Core reactive adapter serializes response cookies without the sameSite attribute. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.43%
Chance of exploitation in the next 30 days
Percentile
36%
Versus all other CVEs
30-day change
+0.17 pp
From 0.25% on 18-09-2026
18-09-202618-10-2026
EPSS score0.43%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Spring1 product
- spring framework≥ 7.0.0, ≤ 7.0.8 | ≥ 6.2.0, ≤ 6.2.19
Ubuntu1 product
- libspring-javaAll versions (No fix recorded)
Vmware1 product
- spring_framework≥ 6.2.0, < 6.2.20 | ≥ 7.0.0, < 7.0.8.1
3 vendors · 3 products