CVE-2022-50899

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory (severity: HIGH) published 2026-01-14. NVD baseline CVSS 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
6.5
EG Score
6.5(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity65% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
37.6%
KEV
Not listed

Published

January 13, 2026

Last Modified

February 27, 2026

References (3)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 16× in last 7d / 49× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-23 14:16 UTCEPSS rescore
  2. 2026-07-23 14:16 UTCEPSS rescore
  3. 2026-07-23 10:19 UTCOSV refresh
  4. 2026-07-23 02:17 UTCEG score recompute
  5. 2026-07-22 23:04 UTCEG score recompute
  6. 2026-07-22 14:06 UTCEPSS rescore
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  1. 2026-07-12 05:44 UTCEPSS rescore
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  6. 2026-07-07 13:44 UTCEPSS rescore
  7. 2026-07-06 16:25 UTCEPSS rescore
  8. 2026-07-06 05:32 UTCOSV refresh
  9. 2026-07-06 02:21 UTCEPSS rescore
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  38. 2026-06-17 17:05 UTCOSV refresh
  39. 2026-06-16 17:51 UTCEPSS rescore
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  41. 2026-06-15 17:47 UTCEPSS rescore
  42. 2026-06-14 23:16 UTCEPSS rescore
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  44. 2026-06-12 23:10 UTCEPSS rescore
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  46. 2026-06-11 13:58 UTCEPSS rescore
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  48. 2026-06-10 13:21 UTCEPSS rescore
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  50. 2026-06-08 14:15 UTCEPSS rescore
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  52. 2026-06-07 15:23 UTCEPSS rescore
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  54. 2026-06-06 13:46 UTCEPSS rescore
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  58. 2026-06-05 06:09 UTCEPSS rescore
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  68. 2026-05-31 00:15 UTCEPSS rescore
  69. 2026-05-29 16:01 UTCEG score recompute
  70. 2026-05-29 16:01 UTCGHSA enrichment
  71. 2026-05-29 13:43 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2022-50899?
CVE-2022-50899 is a medium vulnerability published on January 13, 2026. 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…
When was CVE-2022-50899 disclosed?
CVE-2022-50899 was first published in the National Vulnerability Database on January 13, 2026, with the most recent update on February 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-50899 actively exploited?
CVE-2022-50899 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 37.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-50899?
CVE-2022-50899 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2022-50899?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-50899, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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