CVE-2026-87807General

LOWCVSS 8.7 · HIGH

Signal is active with 1 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

siyuan versions before v3.8.2 contain an authenticated SQL injection vulnerability in the fullTextSearchBlock endpoint's method=1 query parameter. Attackers can inject UNION SELECT statements to read the entire blocks table, bypassing publish-access controls and exposing all document content and sensitive attributes.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-89

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • General: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-09-10: 109-10
Signal classification1 categories
General
1100.0%
Full discourse1 post
  • alienkeric@alienker1c
    General

    Yappp new one for this month (1-3) for September CVE-2026-87807. A good starting point for September. Updates for August (3/4) pulled another one CVE-2026-85715.

    Post summary

    The message lists two CVEs for September and August but provides no further detail on exploitation, patches, or technical aspects.

    01010146
    1.9K followersView on X

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