CVE-2025-6208

MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.3 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 70% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: Elevated riskExposed: 0

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

The SimpleDirectoryReader component in llama_index.core version 0.12.23 suffers from uncontrolled memory consumption due to a resource management flaw. The vulnerability arises because the user-specified file limit (num_files_limit) is applied after all files in a directory are loaded into memory. This can lead to memory exhaustion and degraded performance, particularly in environments with limited resources. The issue is resolved in version 0.12.41.

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity53% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
32%
KEV
Not listed

Published

February 2, 2026

Last Modified

June 17, 2026

Advisory Details (2)

Auto-updated Aug 9, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic

huntr - The world's first bug bounty platform for AI/ML

https://huntr.com/bounties/7d722bb6-6567-4608-8b23-f95048d7605a
github_commit

commit 53614e2f7913 (run-llama/llama_index)

Fix landed in run-llama/llama_index commit 53614e2f7913 — awaiting tagged release

https://github.com/run-llama/llama_index/commit/53614e2f7913c0e86b58add9470b3c900b6c60b2

Affected Packages

(1 across 1 ecosystem)
PyPI(1)
PackageVulnerable rangeFixed inDependents
llama-index-core0.10.0 ... 0.9.56 (213 versions)0.12.41—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 27× 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.

Showing the most recent 100 of 176 total refreshes for this CVE.

  1. 2026-09-18 23:36 UTCOSV refresh
  2. 2026-09-18 19:27 UTCEPSS rescore
  3. 2026-09-17 19:30 UTCEPSS rescore
  4. 2026-09-16 14:07 UTCEPSS rescore
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  18. 2026-08-31 03:32 UTCOSV refresh
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  1. 2026-08-21 23:48 UTCEPSS rescore
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  9. 2026-08-14 11:42 UTCEG score recompute
  10. 2026-08-13 22:00 UTCEPSS rescore
  11. 2026-08-13 03:52 UTCEG score recompute
  12. 2026-08-12 13:50 UTCEPSS rescore
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  14. 2026-08-10 23:59 UTCEPSS rescore
  15. 2026-08-09 16:12 UTCEG score recompute
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  18. 2026-08-07 23:03 UTCEG score recompute
  19. 2026-08-07 16:27 UTCEPSS rescore
  20. 2026-08-06 13:46 UTCEPSS rescore
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  22. 2026-08-05 19:17 UTCEPSS rescore
  23. 2026-08-04 10:37 UTCEPSS rescore
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  25. 2026-08-02 21:43 UTCEG score recompute
  26. 2026-08-02 02:26 UTCEPSS rescore
  27. 2026-08-01 04:15 UTCEPSS rescore
  28. 2026-07-31 01:34 UTCOSV refresh
  29. 2026-07-30 16:27 UTCEPSS rescore
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  31. 2026-07-27 14:13 UTCEPSS rescore
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  39. 2026-07-23 03:00 UTCEG score recompute
  40. 2026-07-22 14:08 UTCEPSS rescore
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  55. 2026-07-13 10:08 UTCOSV refresh
  56. 2026-07-13 06:12 UTCEPSS rescore
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  61. 2026-07-09 19:10 UTCEPSS rescore
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  63. 2026-07-07 13:46 UTCEPSS rescore
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  70. 2026-07-01 15:06 UTCEPSS rescore
  71. 2026-06-30 23:22 UTCEPSS rescore
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  73. 2026-06-28 14:07 UTCEPSS rescore
  74. 2026-06-28 14:07 UTCEPSS rescore
  75. 2026-06-28 04:56 UTCEPSS rescore

Frequently asked(5)

What is CVE-2025-6208?
CVE-2025-6208 is a medium vulnerability published on February 2, 2026. The SimpleDirectoryReader component in llamaindex.core version 0.12.23 suffers from uncontrolled memory consumption due to a resource management flaw. The vulnerability arises because the user-specified file limit (numfiles_limit) is applied after all files in a directory are loaded into memory.…
When was CVE-2025-6208 disclosed?
CVE-2025-6208 was first published in the National Vulnerability Database on February 2, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-6208 actively exploited?
CVE-2025-6208 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 67.6% of all scored CVEs.
What is the CVSS score of CVE-2025-6208?
CVE-2025-6208 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2025-6208?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-6208, 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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