CVE-2026-35556 | OpenPLC v3 credentials storage (icsa-25-345-10)

VDB-356675 · CVE-2026-35556 · ICSA-25-345-10 OPENPLC V3 CREDENTIALS STORAGE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.1 $0-$5k 1.05 Summaryinfo A vulnerability marked as problematic has been reported in OpenPLC v3. Affected by this vulnerability is an unknown functionality. The manipulation leads to credentials storage. This vulnerability is referenced as CVE-2026-35556. Remote exploitation of the attack is possible. No exploit is available. Detailsinfo A vulnerability was found in OpenPLC v3 (the affected version is unknown) and classified as problematic. This issue affects an unknown code. The manipulation with an unknown input leads to a credentials storage vulnerability. Using CWE to declare the problem leads to CWE-256. Storing a password in plaintext may result in a system compromise. Impacted is confidentiality. The summary by CVE is: OpenPLC_V3 is vulnerable to a Plaintext Storage of a Password vulnerability that could allow an attacker to retrieve credentials and access sensitive information. The weakness was published by Shriyans Sudhi as icsa-25-345-10. It is possible to read the advisory at cisa.gov. The identification of this vulnerability is CVE-2026-35556 since 04/06/2026. 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 04/09/2026). The attack technique deployed by this issue is T1552 according to MITRE ATT&CK. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Name OpenPLC v3 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: 5.3 VulDB Meta Temp Score: 5.1 VulDB Base Score: 5.3 VulDB Temp Score: 5.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 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: Credentials storage CWE: CWE-256 / CWE-255 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 04/06/2026 CVE reserved 04/09/2026 +3 days Advisory disclosed 04/09/2026 +0 days VulDB entry created 04/09/2026 +0 days VulDB entry last update Sourcesinfo Advisory: icsa-25-345-10 Researcher: Shriyans Sudhi Status: Not defined CVE: CVE-2026-35556 (🔒) GCVE (CVE): GCVE-0-2026-35556 GCVE (VulDB): GCVE-100-356675 Entryinfo Created: 04/09/2026 22:09 Changes: 04/09/2026 22:09 (64) Complete: 🔍 Cache ID: 99:740:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸