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VulnerabilityPublished Updated

CVE-2026-88403: nocobase · SSRF

Affects nocobaseSource CVE Database V5

0

Not known to be exploited · CVSS 6.5 Medium : upgrade to 2.1.21 when convenient.

Data as of 26 Oct 2026, 15:59 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 33% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2.1.21
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 26 Oct 2026.

What to do

Upgrade czx1111/nocobase to 2.1.21.

Affected software

ProductAffectedFixed in
GitHubczx1111/nocobasepkg:github/czx1111/nocobaseOther threatsAffected
  • <2.1.21
Fixed in
  • 2.1.21

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

AI-suggested

If you cannot patch yet, restrict authenticated user capabilities to limit potential exploitation.

Description

CVE-2026-88403 is a Server-Side Request Forgery (SSRF) vulnerability in the serverRequest function of nocobase version prior to 2.1.21. It allows authenticated attackers to scan internal resources by sending crafted HTTP requests. The vulnerability has a medium severity with a CVSS score of 6.5.

References

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