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VulnerabilityPublished Updated

CVE-2026-42547: dfir-iris iris-web · Incorrect Authorization

Affects dfir-iris iris-webSource CVE Database V5

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Not known to be exploited · CVSS 5.4 Medium : upgrade to 2.4.28 when convenient.

Data as of 30 Oct 2026, 06:59 UTC

CVSS 3.1 base score
5.4Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 6% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2.4.28
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 Jun 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 iris-web and dfir-iris/iris-web to 2.4.28.

Affected software

ProductAffectedFixed in
dfir-irisiris-webAffected
  • <2.4.28
Fixed in
  • 2.4.28
GitHubdfir-iris/iris-webpkg:github/dfir-iris/iris-webOther threatsAffected
  • <2.4.28
Fixed in
  • 2.4.28

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

AI-suggested

Upgrade dfir-iris iris-web to version 2.4.28 or later, where this authorization issue is patched. No other specific mitigations are indicated. Patch status is confirmed by the vendor advisory stating version 2.4.28 contains the fix.

Description

IRIS is a web collaborative platform that helps incident responders share technical details during investigations. In versions prior to 2.4.28, users can create alerts for customers that are not assigned to them. This can be abused to falsely attribute fake alerts to customers. In combination with Cross-Site Scripting, this can also be used to exfiltrate alerts from other customers. Version 2.4.28 contains a patch.

References

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