9.8

CVE-2026-59313: spring spring framework CRLF Injection

CVSS: 9.8v3.1CriticalAnalyzed
AliasesUBUNTU-CVE-2026-59313DEBIAN-CVE-2026-59313
Published 27-08-2026Last modified 28-08-2026
Open JSON

Vulnerability summary

CVE-2026-59313 is a critical (CVSS 9.8) CRLF Injection vulnerability in spring spring framework. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.7% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.56%
0%100%
Low · +0.18 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 27-08-2026
    PublishedVulnerability first disclosed.
  2. 28-08-2026
    Last modifiedVulnerability information updated.

Description

Spring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events (SSE). Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.56%

Chance of exploitation in the next 30 days

Percentile

46%

Versus all other CVEs

30-day change

+0.18 pp

From 0.39% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.56%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • libspring-javaAll versions (No fix recorded)
Spring1 product
  • spring framework≥ 7.0.0, ≤ 7.0.8 | ≥ 6.2.0, ≤ 6.2.19 | ≥ 6.1.0, ≤ 6.1.28 | ≥ 6.0.0, ≤ 6.0.30 | ≥ 5.3.0, ≤ 5.3.49
Ubuntu1 product
  • libspring-javaAll versions (No fix recorded)
Vmware1 product
  • spring_framework≥ 5.3.0, ≤ 5.3.49 | ≥ 6.0.0, ≤ 6.0.30 | ≥ 6.1.0, ≤ 6.1.28 | ≥ 6.2.0, ≤ 6.2.19 | ≥ 7.0.0, ≤ 7.0.8

4 vendors · 4 products

References

4 links