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Fencer Vulns
critical 9.8

CVE-2026-22738 json

SpEL Injection via Unescaped Filter Key in SimpleVectorStore Leads to Remote Code Execution

published 2026-03-27 7 mo ago modified 2026-10-26 13 d ago also GHSA-fvh3-672c-7p6c , EUVD-2026-16535

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits
0
none known

Summary

In Spring AI, a SpEL injection vulnerability exists in SimpleVectorStore when a user-supplied value is used as a filter expression key. A malicious actor could exploit this to execute arbitrary code. Only applications that use SimpleVectorStore and pass user-supplied input as a filter expression key are affected. This issue affects Spring AI: from 1.0.0 before 1.0.5, from 1.1.0 before 1.1.4.

Patch / fix

  • maven org.springframework.ai:spring-ai-vector-store 1.0.5, 1.1.4
  • Spring Spring AI 1.0.5, 1.1.4

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
7 mo ago

Exploit prediction

1.11% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
maven org.springframework.ai:spring-ai-vector-store
>=1.0.0, <1.0.5
>=1.1.0-M1, <1.1.4
1.0.5
1.1.4

Affected products

  • Spring Spring AI

Classification

Weakness
  • CWE-88 Improper Neutralization of Argument Delimiters in a Command
  • CWE-917 Improper Neutralization of Special Elements used in an Expression Language Statement
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.