CVE-2026-82543 json
vastsa FileCodeBox Pickup Limit views.py update_file_usage race condition
published 2026-08-30 2 mo ago modified 2026-08-31 2 mo ago also EUVD-2026-68203
- cvss
- 7.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 43%
- public exploits
- 0
- none known
Summary
A vulnerability was detected in vastsa FileCodeBox up to 2.3. This vulnerability affects the function update_file_usage of the file apps/base/views.py of the component Pickup Limit Handler. Performing a manipulation results in race condition. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading to version 2.5.0 is able to resolve this issue. The patch is named 8d7d856c62d73badd0797eb4daec8d2ff10a403a. Upgrading the affected component is recommended.
Patch / fix
- vastsa FileCodeBox 2.5.0
- github.com/vastsa/FileCodeBox@8d7d856 commit
- github.com/vastsa/FileCodeBox#487 pull request
- github.com/vastsa/FileCodeBox/releases/tag/v2.5.0 release
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/vastsa/FileCodeBox/issues/482 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P |
| CNA | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C |
| CNA | 3.0 | 7.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C |
| CNA | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C |
| CNA | 4.0 | 5.5 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| CNA | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| CNA | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- vastsa FileCodeBox
Classification
- Weakness
-
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
References
-
github.com
/vastsa/FileCodeBox/pull/487
issue-tracking, patch
-
github.com
/vastsa/FileCodeBox/commit/8d7d856c62d73badd0797eb4daec8d2ff10a403a
patch
-
github.com
/vastsa/FileCodeBox/releases/tag/v2.5.0
patch
-
github.com
/vastsa/FileCodeBox/issues/482
exploit, issue-tracking
-
vuldb.com
/vuln/397060
vdb-entry, technical-description
-
vuldb.com
/vuln/397060/cti
signature, permissions-required
-
vuldb.com
/cve/CVE-2026-82543
third-party-advisory
-
vuldb.com
/submit/891416
third-party-advisory
-
github.com
/vastsa/FileCodeBox/
product
Sources
- CVE List CVE-2026-82543
- NVD CVE-2026-82543
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.