CVE-2026-40040 | Pachno 1.0.6 /uploadfile unrestricted upload (ZSL-2026-5982)

VDB-357200 · CVE-2026-40040 · ZSL-2026-5982 PACHNO 1.0.6 /UPLOADFILE UNRESTRICTED UPLOAD HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 7.4 $0-$5k 0.91+ Summaryinfo A vulnerability was found in Pachno 1.0.6 and classified as critical. This affects an unknown function of the file /uploadfile. Such manipulation leads to unrestricted upload. This vulnerability is referenced as CVE-2026-40040. It is possible to launch the attack remotely. No exploit is available. Detailsinfo A vulnerability was found in Pachno 1.0.6. It has been rated as critical. Affected by this issue is an unknown code of the file /uploadfile. The manipulation with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. CVE summarizes: Pachno 1.0.6 contains an unrestricted file upload vulnerability that allows authenticated users to upload arbitrary file types by bypassing ineffective extension filtering to the /uploadfile endpoint. Attackers can upload executable files .php5 scripts to web-accessible directories and execute them to achieve remote code execution on the server. The weakness was published by Gjoko Krstic as ZSL-2026-5982. The advisory is shared for download at zeroscience.mk. This vulnerability is handled as CVE-2026-40040 since 04/08/2026. The exploitation is known to be easy. The attack may be launched remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/13/2026). The MITRE ATT&CK project declares the attack technique as T1608.002. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Name Pachno Version 1.0.6 CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 7.6 VulDB Meta Temp Score: 7.4 VulDB Base Score: 6.3 VulDB Temp Score: 6.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 8.8 CNA Vector (VulnCheck): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Unrestricted upload CWE: CWE-434 / CWE-284 / CWE-266 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/08/2026 CVE reserved 04/13/2026 +5 days Advisory disclosed 04/13/2026 +0 days VulDB entry created 04/13/2026 +0 days VulDB entry last update Sourcesinfo Advisory: ZSL-2026-5982 Researcher: Gjoko Krstic Status: Not defined CVE: CVE-2026-40040 (🔒) GCVE (CVE): GCVE-0-2026-40040 GCVE (VulDB): GCVE-100-357200 Entryinfo Created: 04/13/2026 21:40 Changes: 04/13/2026 21:40 (75) Complete: 🔍 Cache ID: 99:BF8:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸