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VulnerabilityPublished Updated

CVE-2026-100531: openclaw slack · Insecure Direct Object Reference

Affects openclaw slackSource CVE Database V5

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Not known to be exploited · CVSS 7.1 High : upgrade to 2026.8.1 soon.

Data as of 9 Nov 2026, 23:24 UTC

CVSS 4.0 base score
7.1High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 26% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2026.8.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 26 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.

What to do

Upgrade slack and @openclaw/slack to 2026.8.1.

Affected software

ProductAffectedFixed in
openclawslackAffected
  • <2026.8.1
Fixed in
  • 2026.8.1
npm@openclaw/slackpkg:npm/@openclaw/slackOther threatsAffected
  • <2026.8.1
Fixed in
  • 2026.8.1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade the openclaw/slack npm package to version 2026.8.1 or later, where the authorization bypass vulnerability has been fixed. No other mitigation is required as the issue is resolved in this official fix.

Description

The openclaw/slack npm package versions before 2026.8.1 contain an authorization bypass vulnerability in the Slack download-file handler. This flaw allows an authenticated user restricted to a single conversation to download files from other conversations if they know or obtain a file identifier, due to improper validation of file share metadata. The vulnerability does not allow listing of arbitrary files or bypass Slack authentication itself. The issue is fixed in version 2026.8.1.

References

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