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Public proof of conceptFix available

CVE-2026-6815

A public proof of concept exists; no exploitation attested.

  • Published2026-05-11
  • WeaknessCWE-22

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An arbitrary file write vulnerability exists in Casdoor's Local File System storage provider. Due to insufficient path sanitization, an authenticated attacker with administrative privileges can perform a Path Traversal attack to create or overwrite arbitrary files anywhere on the host filesystem, bypassing the application's intended storage sandbox.

Timeline

dates in UTC
  1. 2026-05-1116:17CVE publishedNVD
  2. 2026-05-27Exploit-DB entryExploit-DB
  3. 2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-6815?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-6815?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV · NVD
casdoor/casdoor
BranchAffectedFixed in
1.1000≤ 1.1000.0no fix published
Casbin casdoor
BranchAffectedFixed in
2.328≤ 2.328.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As certcc, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Casdoor
    Affected
    • ≤ v2.328.0no fix statedcustom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-05-11

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • govulncheck-vulndbopenSUSE:Leap 16.0all versions · fixed in 0.0.20260723T184607-160000.1.1

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-11-03 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-52584
Exploit-DB
Proof-of-concept repositories
1 repository, unverifieddanilo-dellorco/CVE-2026-6815
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Published
2026-05-11
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-rmxx-v9rj-vpvg

Frequently asked questions

What is CVE-2026-6815?

An arbitrary file write vulnerability exists in Casdoor's Local File System storage provider. Due to insufficient path sanitization, an authenticated attacker with administrative privileges can perform a Path Traversal attack to create or overwrite arbitrary files anywhere on the host filesystem, bypassing the application's intended storage sandbox.

Is CVE-2026-6815 actively exploited?

Active exploitation of CVE-2026-6815 has not been confirmed. Its EPSS score was 0.5% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-6815?

CVE-2026-6815 has a CVSS v3 base score of 5.9 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

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Sources for this record