CVE-2026-14265

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 0.7%, top 47% 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
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.7%CVSS: 8.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Deserialization of untrusted data in the RemoteQueryCachePlugin in Amazon Web Services AWS Advanced JDBC Wrapper 3.3.0 through 4.0.0 might allow an actor with write access to the shared cache infrastructure to execute arbitrary code on application servers that read cached query results via a crafted serialized Java object. The RemoteQueryCachePlugin uses ObjectInputStream without class filtering when deserializing cached query results from Redis or Valkey, enabling gadget chain execution when cache entries are poisoned.

We recommend upgrading to AWS Advanced JDBC Wrapper version 4.0.1 or later.

CVSS v3
8.8
EG Score
8.8HIGHmedium confidence
EG Risk
44
EG Risk 44/100

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
Severity88% × 45%
Exploitation1% × 40%
Automatability30% × 15%
EPSS PROB
0.7%
EPSS %ILE
52nd
KEV
Not listed

Published

July 1, 2026

Last Modified

July 9, 2026

Advisory Details (3)

Auto-updated Jul 1, 2026
Patch available. Sources: github_release, github.
githubMentions a patch (unverified)

Java Deserialization RCE in AWS Advanced JDBC Wrapper via Cache Poisoning · Advisory · aws/aws-advanced-jdbc-wrapper · GitHub

https://github.com/aws/aws-advanced-jdbc-wrapper/security/advisories/GHSA-c5q4-97jw-jggh
github_release Patch Available

AWS Advanced JDBC Wrapper - v4.0.1

Patch available: aws/aws-advanced-jdbc-wrapper 4.0.1

https://github.com/aws/aws-advanced-jdbc-wrapper/releases/tag/4.0.1
generic

CVE-2026-14265- Deserialization of Untrusted Data in AWS Advanced JDBC Wrapper RemoteQueryCachePlugin

https://aws.amazon.com/security/security-bulletins/2026-051-aws/

Vendor Advisories for CVE-2026-14265(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 25× 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 128 total refreshes for this CVE.

  1. 2026-10-07 23:47 UTCEPSS rescore
  2. 2026-10-06 15:17 UTCEPSS rescore
  3. 2026-10-05 17:42 UTCEPSS rescore
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  12. 2026-09-23 06:49 UTCEG score recompute
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  1. 2026-09-07 16:01 UTCEPSS rescore
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  3. 2026-09-06 13:47 UTCEPSS rescore
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  5. 2026-09-04 05:06 UTCEPSS rescore
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  7. 2026-09-01 13:53 UTCEPSS rescore
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  9. 2026-08-31 00:55 UTCEG score recompute
  10. 2026-08-30 19:17 UTCEPSS rescore
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  17. 2026-08-25 03:26 UTCEG score recompute
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  20. 2026-08-23 00:19 UTCEPSS rescore
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  22. 2026-08-21 23:48 UTCEPSS rescore
  23. 2026-08-21 06:59 UTCEG score recompute
  24. 2026-08-20 22:55 UTCEPSS rescore
  25. 2026-08-20 04:37 UTCEG score recompute
  26. 2026-08-19 17:03 UTCEPSS rescore
  27. 2026-08-18 20:57 UTCEG score recompute
  28. 2026-08-18 13:48 UTCEPSS rescore
  29. 2026-08-17 23:19 UTCEG score recompute
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  38. 2026-08-12 19:49 UTCEG score recompute
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  40. 2026-08-11 17:28 UTCEG score recompute
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  43. 2026-08-10 23:59 UTCEPSS rescore
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  45. 2026-08-09 13:46 UTCEPSS rescore
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  47. 2026-08-08 16:37 UTCEPSS rescore
  48. 2026-08-07 21:02 UTCEG score recompute
  49. 2026-08-06 18:40 UTCEG score recompute
  50. 2026-08-06 13:46 UTCEPSS rescore
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  52. 2026-08-05 19:17 UTCEPSS rescore
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  60. 2026-08-01 16:03 UTCEG score recompute
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  62. 2026-07-31 00:22 UTCEG score recompute
  63. 2026-07-30 16:27 UTCEPSS rescore
  64. 2026-07-30 11:11 UTCEG score recompute
  65. 2026-07-30 01:30 UTCEPSS rescore
  66. 2026-07-28 18:22 UTCEG score recompute
  67. 2026-07-28 15:36 UTCEPSS rescore
  68. 2026-07-27 15:59 UTCEG score recompute
  69. 2026-07-27 14:13 UTCEPSS rescore
  70. 2026-07-27 02:25 UTCEG score recompute
  71. 2026-07-26 14:54 UTCEPSS rescore
  72. 2026-07-26 14:54 UTCEPSS rescore
  73. 2026-07-26 13:13 UTCEG score recompute
  74. 2026-07-25 14:17 UTCEPSS rescore
  75. 2026-07-24 14:17 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-14265?
CVE-2026-14265 is a high vulnerability published on July 1, 2026. Deserialization of untrusted data in the RemoteQueryCachePlugin in Amazon Web Services AWS Advanced JDBC Wrapper 3.3.0 through 4.0.0 might allow an actor with write access to the shared cache infrastructure to execute arbitrary code on application servers that read cached query results via a…
When was CVE-2026-14265 disclosed?
CVE-2026-14265 was first published on July 1, 2026, with the most recent update on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-14265 actively exploited?
CVE-2026-14265 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.7% probability of exploitation in the next 30 days (52nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-14265?
CVE-2026-14265 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-14265?
A fix for CVE-2026-14265 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-14265 are linked in the Vendor Advisories panel on this page.

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