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CVE-2023-38647

28
FAUCET Score

CVE-2023-38647 is a critical deserialization vulnerability in Apache Helix (versions up to and including 1.2.0) that allows remote code execution. An unauthenticated attacker can exploit SnakeYAML to load malicious JARs and execute arbitrary code through Helix REST and Workflow creation. With a CVSS score of 9.8, this vulnerability poses a severe risk due to its network-based attack vector and complete compromise potential. Currently, there is no public exploit intelligence, Metasploit modules, or significant community discussion, indicating it is not actively exploited in the wild.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.3.0CPE matchmatch criteria
cpe:2.3:a:apache:helix:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.95%
Probability of exploitation in next 30 days
EPSS Percentile
78.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0195 is in the 67th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa
Product: org.apache.helix:helix-coreFixed in: 1.3.0
mavenpatch availablevia ghsa
Product: org.apache.helix:helix-restFixed in: 1.3.0

Vendor Advisories (1)

mavenGHSA-jhcr-hph9-g7wmcritical

Deserialization vulnerability in Helix workflow and REST

Jul 26, 2023

References

lists.apache.org / thread/zyqxhv0lc2z9w3tgr8ttrdy2zfh5jvc4
Mailing List