Apache InLong: Authenticated SSRF via POST /api/node/testConnection

published 2026-08-20 2 mo ago modified 2026-10-18 21 d ago also EUVD-2026-63477

cvss: 5.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits: 0; none known

Server-Side Request Forgery (SSRF) vulnerability in Apache InLong. Any authenticated user (no admin role required) can cause the InLong Manager server to make outbound HTTP requests or TCP connections to arbitrary internal hosts and ports.

This issue affects Apache InLong: from 2.0.0 before 2.4.0.

Users are advised to upgrade to Apache InLong's 2.4.0 or cherry-pick [1] to solve it.

[1] https://github.com/apache/inlong/pull/12130 .

Patch / fix

fixed in 1

Apache Software Foundation Apache InLong 2.4.0

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 mo ago (2026-08-21)

Exploit prediction

0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Affected products

Apache Software Foundation Apache InLong

Classification

Weakness

CWE-918 Server-Side Request Forgery

References

lists.apache.org /thread/b3rtzssd8hdk0dyq4y6mpdx6jj5ro4g6
vendor-advisory, mailing-list
openwall.com /lists/oss-security/2026/08/20/17
mailing-list, third-party-advisory

Sources

CVE List CVE-2026-63044
NVD CVE-2026-63044

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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary