CVE-2026-121938
Last modified
CVE-2026-121938 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. langchain4j-aideepin before 3.31.0 contains an insecure direct object reference vulnerability that allows authenticated users to read other users' character-chat conversations by supplying their character uuid. Attackers can request GET /character/{uuid}, which CharacterService.detail resolves without an ownership check, to obtain victims' questions, AI answers, and attachment and audio URLs..
Description
langchain4j-aideepin before 3.31.0 contains an insecure direct object reference vulnerability that allows authenticated users to read other users' character-chat conversations by supplying their character uuid. Attackers can request GET /character/{uuid}, which CharacterService.detail resolves without an ownership check, to obtain victims' questions, AI answers, and attachment and audio URLs.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| moyangzhan | langchain4j-aideepin | < 3.31.0 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-121938?
How severe is CVE-2026-121938?
How do I fix CVE-2026-121938?
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-121930A weakness has been identified in Linksys WRT54GL 4.30.18. T…9.1
- CVE-2026-121931A security vulnerability has been detected in Linksys WRT54G…9.1
- CVE-2026-121932A vulnerability was detected in Linksys E5350 1.0.00.037. Th…10
- CVE-2026-121933A flaw has been found in Linksys E5350 1.0.00.037. This impa…10
- CVE-2026-121936easyVoice before 0.0.23 contains a server-side request forge…6.5
- CVE-2026-121937loonflow before r3.2.3 contains a missing authorization vuln…3.1
- CVE-2026-121939Databasement before 1.10.9 contains an authentication bypass…8.1
- CVE-2026-12194PHPIPAM is affected by an authenticated local file inclusion…2.3
- CVE-2026-121940Stonewuu ai-fusion-video before 1.3.0 contains an insecure d…8.8
- CVE-2026-121941libmt32emu before 2.8.4 contains a heap buffer overflow vuln…7.8
- CVE-2026-121942ZBar through 0.23.95 contains an out-of-bounds read vulnerab…6.1
- CVE-2026-121943Irontec sngrep through 1.9.0 contains an out-of-bounds stack…4.8
Are you affected by CVE-2026-121938?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
