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CVE-2026-54594— OmniBlocks: Spamming in Discussions tab possible via disc.yml

Quick assessment

Affected
OmniBlocks monorepo
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OmniBlocks 是 OmniBlocks 项目的单仓库（monorepo）。在 2026 年 6 月 6 日的工作流修复之前， 会在“issue 被打开”和“issue 被编辑”这两个事件触发时运行，并在 issue 被分类为“离题（off-topic）”时调用 变更操作，但该流程并未记录该 issue 是否已被转换，也未抑制重复执行。因此，一个用户如果创建一个离题 issue，并在转换完成前反复编辑其描述内容，就可能为同一个 issue 创建多个讨论，从而导致讨论信息泛滥，增加额外的审核工作。该问题已在提交

CVSS 5.3 · Medium EPSS 0.33% · P26

Possible ATT&CK Techniques 1 AI

T1531 · Account Access Removal

Affected Version Matrix 1

VendorProduct Version RangeStatus
OmniBlocks monorepo < OmniBlocks affected
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I. Basic Information for CVE-2026-54594

Vulnerability Information
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Vulnerability Title
OmniBlocks: Spamming in Discussions tab possible via disc.yml
Source: CVE Program / CVE List V5
Vulnerability Description
OmniBlocks is a monorepo for the OmniBlocks project. Prior to the June 6, 2026 workflow remediation, .github/workflows/disc.yml runs for the issues opened event and the issues edited event and invokes the createDiscussion mutation whenever an issue is classified as off-topic, without recording that the issue was already converted or otherwise suppressing duplicate runs. A user who creates one off-topic issue and repeatedly edits its description before conversion completes can therefore cause multiple discussions to be created for the same issue, producing discussion spam and additional moderation work. This issue is fixed with commit 627e0f0a16a7d74b09128106b57dd7e85d2545df.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
交互频率的控制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
OmniBlocks monorepo < OmniBlocks -

II. Public POCs for CVE-2026-54594

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III. Intelligence Information for CVE-2026-54594

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Patches & Fixes for CVE-2026-54594 (2)

Vendor Advisories for CVE-2026-54594 (1)

IV. Related Vulnerabilities

Same product: monorepo
Same weakness: CWE-799

V. Comments for CVE-2026-54594

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