CVE-2026-23946Tendenci is an open source content management system built for non-profits, associations and cause-based sites.
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Tendenci is an open source content management system built for non-profits, associations and cause-based sites. Versions 15.3.11 and below include a critical deserialization vulnerability in the Helpdesk module (which is not enabled by default). This vulnerability allows Remote Code Execution (RCE) by an authenticated user with staff security level due to using Python's pickle module in helpdesk /reports/. The original CVE-2020-14942 was incompletely patched. While ticket_list() was fixed to use safe JSON deserialization, the run_report() function still uses unsafe pickle.loads(). The impact is limited to the permissions of the user running the application, typically www-data, which generally lacks write (except for upload directories) and execute permissions. This issue has been fixed in version 15.3.12.
- CVSS
- 6.8 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-94, CWE-502
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
tendenci tendenci tendenci:tendenci | before 15.3.12 | NVD |
References
- https://docs.python.org/3/library/pickle.html#restricting-globalsnot-applicable
- https://github.com/advisories/GHSA-jqmc-fxxp-r589not-applicable
- https://github.com/tendenci/tendenci/commit/23d9fd85ab7654e9c83cfc86cb4175c0bd7a77f1patch
- https://github.com/tendenci/tendenci/commit/2ff0a457614944a1b417081c543ea4c5bb95d636patch
- https://github.com/tendenci/tendenci/commit/63e1b84a5b163466d1d8d811d35e7021a7ca0d0epatch
- https://github.com/tendenci/tendenci/issues/867exploit, issue-tracking, patch, vendor-advisory
- https://github.com/tendenci/tendenci/releases/tag/v15.3.12release-notes
- https://github.com/tendenci/tendenci/security/advisories/GHSA-339m-4qw5-j2g3mitigation, vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.