Apache Hama allows XSS and information disclosure

published 2022-11-21 3 y ago modified 2026-06-17 4 mo ago also GHSA-4wfh-48v4-3r84 , EUVD-2022-7231

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.4%; EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits: 0; none known

missing input validation in Apache Hama may cause information disclosure through path traversal and XSS. Since Apache Hama is EOL, we do not expect these issues to be fixed.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 18 mo ago (2025-04-29)

Exploit prediction

1.37% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
GitHub	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
maven	org.apache.hama:hama-core	<=0.7.1	no fix listed

Affected products

Apache Software Foundation Apache Hama

Classification

Weakness

CWE-20 Improper Input Validation
CWE-79 Improper Neutralization of Input During Web Page Generation

References

lists.apache.org /thread/ztvoshd4kxvp5vlro52mpgpfxct4ft8l
web, issue-tracking, mailing-list, vendor-advisory
openwall.com /lists/oss-security/2022/11/21/1
mailing-list, web, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2022-45470
advisory

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.

Summary