8.7

CVE-2022-50899: geonetwork

CVSS: 8.7v4.0HighAnalyzed
Published 13-01-2026Last modified 14-05-2026

Vulnerability summary

CVE-2022-50899 is a high (CVSS 8.7) vulnerability in geonetwork. EPSS estimates a 0.55% chance of exploitation in the next 30 days, higher than 44.9% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.7/10
010
High · v4.0 (CVE.org)
EPSS score
0.55%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Timeline

  1. 13-01-2026
    PublishedVulnerability first disclosed.
  2. 14-05-2026
    Last modifiedVulnerability information updated.

Description

Geonetwork 3.10 through 4.2.0 contains an XML external entity vulnerability in PDF rendering that allows attackers to retrieve arbitrary files from the server. Attackers can exploit the insecure XML parser by crafting a malicious XML document with external entity references to read system files through the baseURL parameter in PDF creation requests.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.55%

Chance of exploitation in the next 30 days

Percentile

45%

Versus all other CVEs

30-day change

+0.01 pp

From 0.54% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.55%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databasemultipleUnverified

    Geonetwork 4.2.0 - XML External Entity (XXE)

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Geonetwork1 product
Osgeo1 product

2 vendors · 2 products

References

3 links