01 Record
CVE-2026-82635
Pake arbitrary file write via unsanitized download_file filename
HighPUBLISHEDCNA: JFROG
CNA base score8.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
02 Description
Pake arbitrary file write via unsanitized download_file filename
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.63% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 50.0% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-09-04.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-08-30 12:26Z2 MO AGO
- Last updated
- 2026-08-31 16:58Z1 MO AGO
- Reserved
- 2026-08-30
- Assigning CNA
- JFROG
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base
- Data version
- 5.2
- Document digest
- db0cb2b2e1480994e79d9ea652ff8cd2a4ff39eb8fe6511c1ac8df06e24088a6
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comFix: sanitize download filenames (basename only)https://github.com/tw93/Pake/commit/a5463a84d6e36705ee0dd1886cf0e4b5a75b0ab4
- github.comPake V3.13.1 release (first tag containing the fix)https://github.com/tw93/Pake/releases/tag/V3.13.1
- github.comPake repositoryhttps://github.com/tw93/Pake
07 Remediation
Upgrade Pake to 3.13.1 or later and rebuild generated apps from that tree. The fix introduces sanitize_download_filename and uses only the final path segment before joining onto the Downloads directory, so ../ and absolute paths cannot escape that directory.