CVE-2026-40044 | Pachno 1.0.6 deserialization (ZSL-2026-5986)

VDB-357203 · CVE-2026-40044 · ZSL-2026-5986 PACHNO 1.0.6 DESERIALIZATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 8.4 $0-$5k 2.71 Summaryinfo A vulnerability was found in Pachno 1.0.6. It has been rated as critical. Affected by this vulnerability is an unknown functionality. The manipulation leads to deserialization. This vulnerability is listed as CVE-2026-40044. The attack may be initiated remotely. There is no available exploit. Detailsinfo A vulnerability, which was classified as critical, has been found in Pachno 1.0.6. This issue affects an unknown function. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. The summary by CVE is: Pachno 1.0.6 contains a deserialization vulnerability that allows unauthenticated attackers to execute arbitrary code by injecting malicious serialized objects into cache files. Attackers can write PHP object payloads to world-writable cache files with predictable names in the cache directory, which are unserialized during framework bootstrap before authentication checks occur. The weakness was presented by Gjoko Krstic as ZSL-2026-5986. It is possible to read the advisory at zeroscience.mk. The identification of this vulnerability is CVE-2026-40044 since 04/08/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/13/2026). 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: 8.5 VulDB Meta Temp Score: 8.4 VulDB Base Score: 7.3 VulDB Temp Score: 7.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 9.8 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: Deserialization CWE: CWE-502 / CWE-20 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-2026-5986 Researcher: Gjoko Krstic Status: Not defined CVE: CVE-2026-40044 (🔒) GCVE (CVE): GCVE-0-2026-40044 GCVE (VulDB): GCVE-100-357203 Entryinfo Created: 04/13/2026 21:41 Changes: 04/13/2026 21:41 (73) Complete: 🔍 Cache ID: 99:029:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸