CVE-2026-35173 | xenocrat chyrp-lite prior 2026.01 authorization (GHSA-8c3h-rh2j-fxr9)

VDB-355636 · CVE-2026-35173 · GHSA-8C3H-RH2J-FXR9 XENOCRAT CHYRP-LITE PRIOR 2026.01 AUTHORIZATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.3 $0-$5k 0.83+ Summaryinfo A vulnerability categorized as problematic has been discovered in xenocrat chyrp-lite. The affected element is an unknown function. Executing a manipulation can lead to authorization. This vulnerability is handled as CVE-2026-35173. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component. Detailsinfo A vulnerability classified as problematic was found in xenocrat chyrp-lite. This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. As an impact it is known to affect integrity. CVE summarizes: Chyrp Lite is an ultra-lightweight blogging engine. Prior to 2026.01, an IDOR / Mass Assignment issue exists in the Post model that allows authenticated users with post editing permissions (Edit Post, Edit Draft, Edit Own Post, Edit Own Draft) to modify posts they do not own and do not have permission to edit. By passing internal class properties such as id into the post_attributes payload, an attacker can alter the object being instantiated. As a result, further actions are performed on another user’s post rather than the attacker’s own post, effectively enabling post takeover. This vulnerability is fixed in 2026.01. The advisory is shared for download at github.com. This vulnerability was named CVE-2026-35173 since 04/01/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available. Upgrading to version 2026.01 eliminates this vulnerability. Productinfo Vendor xenocrat Name chyrp-lite Website Product: https://github.com/xenocrat/chyrp-lite/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.4 VulDB Meta Temp Score: 5.3 VulDB Base Score: 4.3 VulDB Temp Score: 4.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.5 CNA Vector (GitHub_M): 🔒 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: Authorization CWE: CWE-639 / CWE-285 / 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: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: chyrp-lite 2026.01 Timelineinfo 04/01/2026 CVE reserved 04/06/2026 +5 days Advisory disclosed 04/06/2026 +0 days VulDB entry created 04/06/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-8c3h-rh2j-fxr9 Status: Confirmed CVE: CVE-2026-35173 (🔒) GCVE (CVE): GCVE-0-2026-35173 GCVE (VulDB): GCVE-100-355636 Entryinfo Created: 04/06/2026 21:23 Changes: 04/06/2026 21:23 (62) Complete: 🔍 Cache ID: 99:5DF:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸