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VulnerabilityPublished Updated

CVE-2026-42456: Mintplex-Labs anything-llm · Information Exposure

Affects Mintplex-Labs anything-llmSource CVE Database V5

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Not known to be exploited · CVSS 4.3 Medium : upgrade to 1.12.1 when convenient.

Data as of 29 Oct 2026, 19:04 UTC

CVSS 3.1 base score
4.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 22% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.12.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 8 May 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 29 Oct 2026.

What to do

Upgrade anything-llm and mintplex-labs/anything-llm to 1.12.1.

Affected software

ProductAffectedFixed in
Mintplex-Labsanything-llmAffected
  • <1.12.1
Fixed in
  • 1.12.1
GitHubmintplex-labs/anything-llmpkg:github/mintplex-labs/anything-llmOther threatsAffected
  • <1.12.1
Fixed in
  • 1.12.1

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

AI-suggested

This vulnerability has been patched in AnythingLLM version 1.12.1. Users and administrators should upgrade to version 1.12.1 or later to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.

Description

AnythingLLM is an application that turns pieces of content into context that any LLM can use as references during chatting. Prior to version 1.12.1, GET /api/workspace/:slug/tts/:chatId in AnythingLLM returns the text-to-speech audio for another user's chat response within the same workspace because the route validates workspace membership but does not enforce ownership of the targeted chat row. As a result, an authenticated user can access another user's private assistant response in audio form if the chatId is known or guessed. This constitutes an insecure direct object reference (IDOR) affecting private chat response content exposed through the TTS endpoint. This issue has been patched in version 1.12.1.

References

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