7.5

CVE-2026-41850: spring spring framework Inefficient Algorithmic Complexity

CVSS: 7.5v3.1HighAnalyzed
AliasesUBUNTU-CVE-2026-41850DEBIAN-CVE-2026-41850CGA-2v9f-7jwh-qg6x
Published 09-06-2026Last modified 27-06-2026
Open JSON

Vulnerability summary

CVE-2026-41850 is a high (CVSS 7.5) Inefficient Algorithmic Complexity vulnerability in spring spring framework. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.5% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.46%
0%100%
Low · +0.10 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
CGA-H6QC-RP68-HHX2

Timeline

  1. 09-06-2026
    PublishedVulnerability first disclosed.
  2. 27-06-2026
    Last modifiedVulnerability information updated.

Description

Applications that evaluate user-supplied Spring Expression Language (SpEL) expressions are vulnerable to an Algorithmic Denial of Service (DoS). By providing a specially crafted expression, an attacker can trigger excessive resource consumption during evaluation, leading to application degradation or unavailability. Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.

CVSS metrics

7 scores · 7 sources · 1 version

EPSS trend

Probability

0.46%

Chance of exploitation in the next 30 days

Percentile

39%

Versus all other CVEs

30-day change

+0.10 pp

From 0.36% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.46%

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

Chainguard30 products
  • apache-activemq-5.19All versions (No fix recorded)
  • apache-activemq-6.2< 6.2.8-r2
  • apache-activemq-fips-5.19All versions (No fix recorded)
  • apache-activemq-fips-6.2< 6.2.8-r4
  • apache-camel-karavan-devmode< 4.18.1-r8
Wolfi6 products
  • apache-nifi-registry< 2.10.0-r4
  • apache-nifi-registry-toolkit< 2.10.0-r4
  • keycloak-config-cli< 6.5.1-r11
  • keycloak-config-cli-iamguarded-compat< 6.5.1-r11
  • zipkin< 3.6.1-r19
Debian1 product
  • libspring-javaAll versions (No fix recorded)
Org.springframework1 product
  • spring-expression≥ 7.0.0, < 7.0.8 | ≥ 6.2.0, < 6.2.19 | ≥ 6.1.0, ≤ 6.1.21 | ≤ 5.3.39
Spring1 product
  • spring framework≥ 7.0.0, < 7.0.7.1 | ≥ 6.2.0, < 6.2.18.1 | ≥ 6.1.0, < 6.1.28 | ≥ 5.3.0, < 5.3.49
Ubuntu1 product
  • libspring-javaAll versions (No fix recorded)
Vmware1 product
  • spring_framework≥ 5.3.0, < 5.3.49 | ≥ 6.1.0, < 6.1.28 | ≥ 6.2.0, < 6.2.18.1 | ≥ 7.0.0, < 7.0.7.1

7 vendors · 41 products

References

8 links