VulnSocial

CVE-2026-8752Disclosure(h2o / h2o)

LOWCVSS 5.5 · MEDIUM

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

A weakness has been identified in h2oai h2o-3 up to 7402. This vulnerability affects the function exec of the file h2o-core/src/main/java/water/rapids/ast/prims/misc/AstSetProperty.java of the component Rapids setproperty Primitive Handler. Executing a manipulation can lead to improper access controls. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

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0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-266CWE-284

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • h2o

Threat summary

  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 3 signals
  • Disclosure: 3 classified signals
  • Peaked at 2 mentions on most recent observed day (2026-05-18)
  • 3 total mentions across 2 days

Affected systems

Vendors
h2o
Products
h2o

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-05-17: 1Mentions · 2026-05-18: 2Technical Details · 2026-05-17: 1Technical Details · 2026-05-18: 205-1705-18
Signal classification1 categories
Disclosure
3100.0%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-05-171
Disclosure1
2026-05-182
Disclosure2
Full discourse3 posts
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-8752 A weakness has been identified in h2oai h2o-3 up to 7402. This vulnerability affects the function exec of the file h2o-core/src/main/java/water/rapids/ast/prims/misc/As… https://www.cve.org/CVERecord?id=CVE-2026-8752 ----- Traducción: CVE-2026-8752 Se … http://infoflow.cloud`

    Post summary

    The post announces CVE-2026-8752, noting a weakness affecting the `exec` function in a particular source file of h2o-3 up to 7402, without providing exploitation or mitigation details.

    0000049
    78 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-8752 A weakness has been identified in h2oai h2o-3 up to 7402. This vulnerability affects the function exec of the file h2o-core/src/main/java/water/rapids/ast/prims/misc/As… https://www.cve.org/CVERecord?id=CVE-2026-8752

    Post summary

    A weakness (CVE‑2026‑8752) has been identified in h2oai h2o‑3 up to version 7402, affecting the exec function in the specified source file.

    00000317
    57.5K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-8752 Remote Code Execution in H2oai H2O-3 Up to 7402 Rapids setproperty Primitive Handler https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-8752

    Post summary

    The post announces a new RCE vulnerability (CVE-2026-8752) in H2oai H2O-3 affecting the Rapids setproperty Primitive Handler, impacting versions up to 7402.

    0000060
    4.0K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Apph2oh2o---

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