2.6

CVE-2026-22735: spring spring foundation Improper Locking

CVSS: 2.6v3.1LowAnalyzed
AliasesUBUNTU-CVE-2026-22735DEBIAN-CVE-2026-22735CGA-362h-qhpq-qwmc
Published 19-03-2026Last modified 20-03-2026

Vulnerability summary

CVE-2026-22735 is a low (CVSS 2.6) Improper Locking vulnerability in spring spring foundation. EPSS estimates a 0.12% chance of exploitation in the next 30 days, higher than 1.5% of scored vulnerabilities.

Overall risk
10/100
0100
Low · default modelHow is this calculated?
CVSS score
2.6/10
010
Low · v3.1 (CVE.org)
EPSS score
0.12%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 1

Timeline

  1. 19-03-2026
    PublishedVulnerability first disclosed.
  2. 20-03-2026
    Last modifiedVulnerability information updated.

Description

Spring MVC and WebFlux applications are vulnerable to stream corruption when using Server-Sent Events (SSE). This issue affects Spring Foundation: from 7.0.0 through 7.0.5, from 6.2.0 through 6.2.16, from 6.1.0 through 6.1.25, from 5.3.0 through 5.3.46.

CVSS metrics

7 scores · 7 sources · 1 version

EPSS trend

Probability

0.12%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

+0.01 pp

From 0.11% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.12%

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

Chainguard33 products
  • apache-activemq-5.19All versions (No fix recorded)
  • apache-activemq-6.1< 6.1.8-r5
  • apache-activemq-fips-5.19All versions (No fix recorded)
  • apache-activemq-fips-6.1< 6.1.8-r7
  • apache-nifi-registry< 2.8.0-r3
Wolfi3 products
  • apache-nifi-registry< 2.8.0-r3
  • thingsboard-tb-mqtt-transport< 4.3.1.1-r0
  • thingsboard-tb-node< 4.3.1.1-r0
Org.springframework2 products
  • spring-webflux≥ 7.0.0-M1, < 7.0.6 | ≥ 6.2.0, < 6.2.17 | ≥ 6.0.0, ≤ 6.1.21 | ≥ 5.3.0, ≤ 5.3.39
  • spring-webmvc≥ 7.0.0-M1, < 7.0.6 | ≥ 6.2.0, < 6.2.17 | ≥ 6.0.0, ≤ 6.1.21 | ≥ 5.3.0, ≤ 5.3.39
Debian1 product
  • libspring-javaAll versions (No fix recorded)
Spring1 product
  • spring foundation≥ 7.0.0, ≤ 7.0.5 | ≥ 6.2.0, ≤ 6.2.16 | ≥ 6.1.0, ≤ 6.1.25 | ≥ 5.3.0, ≤ 5.3.46
Ubuntu1 product
  • libspring-javaAll versions (No fix recorded)
Vmware1 product
  • spring_framework< 5.3.47 | ≥ 6.1.0, < 6.1.26 | ≥ 6.2.0, < 6.2.17 | ≥ 7.0.0, < 7.0.6

7 vendors · 42 products

References

6 links