CVE-2016-8640

CRITICALNVD 9.19.1—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.1 under NVD CVSS v3. EPSS exploit probability: 2.3%, top 18% 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
Trending — 3 sources updated this week
9.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 9.1Exploit: NoneExposed: 0

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

A SQL injection vulnerability in pycsw all versions before 2.0.2, 1.10.5 and 1.8.6 that leads to read and extract of any data from any table in the pycsw database that the database user has access to. Also on PostgreSQL (at least) it is possible to perform updates/inserts/deletes and database modifications to any table the database user has access to.

CVSS v3
9.1
EG Score
9.1(medium)
EG Risk
46(Track)
EG Risk 46/100SSVC: 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
Severity91% × 45%
Exploitation2% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
81.8%
KEV
Not listed

Published

August 1, 2018

Last Modified

November 21, 2024

Advisory Details (4)

Auto-updated Jul 20, 2026
Patch available. Sources: github_pr.
generic
https://patch-diff.githubusercontent.com/raw/geopython/pycsw/pull/474.patch
github_pr Patch Available

Better CQL handling

Patch available: geopython/pycsw 2.6.1 (PR #474 merged 2016-10-11)

https://github.com/geopython/pycsw/pull/474/files
generic
http://www.securityfocus.com/bid/94302
generic

oss-sec: CVE-2016-8640 pycsw SQL injection issue

http://seclists.org/oss-sec/2016/q4/406

Affected Packages

(1 across 1 ecosystem)
PyPI(1)
PackageVulnerable rangeFixed inDependents
pycsw1.10.0 ... 2.0.1 (21 versions)2.0.2—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 14× in last 7d / 43× 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 14:15 UTCEPSS rescore
  2. 2026-07-23 01:24 UTCEG score recompute
  3. 2026-07-22 22:03 UTCEG score recompute
  4. 2026-07-22 14:04 UTCEPSS rescore
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  7. 2026-07-21 07:47 UTCOSV refresh
  8. 2026-07-20 17:04 UTCEPSS rescore
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  1. 2026-07-08 15:10 UTCEPSS rescore
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  7. 2026-07-05 02:27 UTCEPSS rescore
  8. 2026-07-04 06:28 UTCEPSS rescore
  9. 2026-07-04 02:56 UTCOSV refresh
  10. 2026-07-01 15:02 UTCEPSS rescore
  11. 2026-06-30 23:19 UTCEPSS rescore
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  32. 2026-06-15 15:13 UTCOSV refresh
  33. 2026-06-14 23:14 UTCEPSS rescore
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  35. 2026-06-13 22:57 UTCEPSS rescore
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  37. 2026-06-12 23:09 UTCEPSS rescore
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  40. 2026-06-07 15:22 UTCEPSS rescore
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  42. 2026-06-06 13:45 UTCEPSS rescore
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  44. 2026-06-05 22:44 UTCEPSS rescore
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  52. 2026-05-31 22:28 UTCEPSS rescore
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  54. 2026-05-31 00:14 UTCEPSS rescore
  55. 2026-05-29 13:41 UTCEPSS rescore
  56. 2026-05-28 13:42 UTCEPSS rescore
  57. 2026-05-28 13:42 UTCEPSS rescore
  58. 2026-05-28 04:22 UTCEG score recompute
  59. 2026-05-27 13:38 UTCEPSS rescore
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  62. 2026-05-26 13:42 UTCEPSS rescore
  63. 2026-05-26 07:17 UTCEPSS rescore
  64. 2026-05-23 18:05 UTCOSV refresh

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2016-8640?
CVE-2016-8640 is a critical vulnerability published on August 1, 2018. A SQL injection vulnerability in pycsw all versions before 2.0.2, 1.10.5 and 1.8.6 that leads to read and extract of any data from any table in the pycsw database that the database user has access to. Also on PostgreSQL (at least) it is possible to perform updates/inserts/deletes and database…
When was CVE-2016-8640 disclosed?
CVE-2016-8640 was first published in the National Vulnerability Database on August 1, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-8640 actively exploited?
CVE-2016-8640 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 81.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2016-8640?
CVE-2016-8640 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2016-8640?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-8640, 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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