CVE-2022-50899: geonetwork
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.
Timeline
- 13-01-2026PublishedVulnerability first disclosed.
- 14-05-2026Last 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- NVDNIST8.7HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundGeonetwork 4.2.0 - XML External Entity (XXE)
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Geonetwork1 product
- geonetwork≥ 3.10, ≤ 4.2.0
Osgeo1 product
- geonetwork≥ 3.10.0, ≤ 4.2.0
2 vendors · 2 products
References
3 links- geonetwork-opensource.orgProduct
- www.vulncheck.com/advisories/geonetwork-xml-external-entity-xxeThird Party Advisory