Vulnerability · CVE-2026-27579
CollabPlatform is a full-stack, real-time doc collaboration platform.
Published Feb 21, 2026 · catalog updated Jun 17, 2026 · CollabPlatform is a full-stack,
Check if you run it
No confirmed exploitation is on record for CVE-2026-27579. EPSS is 0.20%. Act only if a listed version of CollabPlatform is a full-stack, is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (CollabPlatform is a full-stack,).
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High7.4
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.20%
- Remediation
- Advisory link
- Affected products
- See sources for product scope
CollabPlatform is a full-stack, real-time doc collaboration platform. In all versions of CollabPlatform, the Appwrite project used by the application is misconfigured to allow arbitrary origins in CORS responses while also permitting credentialed requests. An attacker-controlled domain can issue authenticated cross-origin requests and read sensitive user account information, including email address, account identifiers, and MFA status. The issue did not have a fix at the time of publication.
No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.
How to fix CVE-2026-27579
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-27579. EPSS is 0.20%. Act only if a listed version of CollabPlatform is a full-stack, is installed.
Which versions are affected?
Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-346; CWE-942: Permissive Cross-domain Policy with Untrusted Domains. EPSS 0.20%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Feb 21, 2026 · NIST NVD
Detected
CollabPlatform is a full-stack, real-time doc collaboration platform. In all versions of CollabPlatform, the Appwrite project used by the application is misconfigured to allow arbitrary origins in CORS responses while also permitting credentialed requests. An attacker-controlled domain can issue authenticated cross-origin requests and read sensitive user account information, including email addres
Jun 17, 2026 · NIST NVD
Updated
CollabPlatform is a full-stack, real-time doc collaboration platform. In all versions of CollabPlatform, the Appwrite project used by the application is misconfigured to allow arbitrary origins in CORS responses while also permitting credentialed requests. An attacker-controlled domain can issue authenticated cross-origin requests and read sensitive user account information, including email addres
Sources
- CVE.orgVulnerability recordCVE-2026-27579
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-27579
30-day exploitation probability 0.2%
first.org - NIST NVDVulnerability recordCVE-2026-27579
CollabPlatform is a full-stack, real-time doc collaboration platform. In all versions of CollabPlatform, the Appwrite project used by the application is misconfigured to allow arbitrary origins in CORS responses while also permitting credentialed requests. An attacker-controlled
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.