Public proof of conceptFix available

CVE-2026-22738

Q: Is CVE-2026-22738 actively exploited?

Active exploitation of CVE-2026-22738 has not been confirmed. Its EPSS score was 1.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2026-22738?

CVE-2026-22738 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

A public proof of concept exists; no exploitation attested.

Published2026-03-27
Fixed in1.1.4 · 1.0.5
WeaknessCWE-88 · CWE-917

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2026-03-2706:16CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-22738?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-22738?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

Vmware spring ai

Branch	Affected	Fixed in	Source
1.1	≥ 1.1.0, < 1.1.4	1.1.4	NVD
1.1	≥ 1.1.0-M1, < 1.1.4	1.1.4	OSV
1.0	≥ 1.0.0, < 1.0.5	1.0.5	NVD · OSV

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Vmware spring ai to 1.1.4 · 1.0.5

Advisories and patches

spring.ioVendor Advisory

Detection

read 2026-10-23 19:25 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 2 repositories, unverifiedn0n4m3x41/CVE-2026-22738-POCrockmelodies/CVE-2026-22738

Sources

CISA-ADPSSVC decisionnone2026-03-28
OpenCVESSVC decisionnone—
CNACVSS 3.19.8read 2026-10-23
CISA-ADPweakness (CWE)CWE-882026-03-27
NVDweakness (CWE)CWE-917read 2026-10-23
FIRST EPSSEPSS score1.1 %2026-10-22
PoC-in-GitHubproof of concept2read 2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2026-03-27
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2026-22738?

Is CVE-2026-22738 actively exploited?

Active exploitation of CVE-2026-22738 has not been confirmed. Its EPSS score was 1.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-22738?

CVE-2026-22738 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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