PatchTheCVECVE-2025-6211: A vulnerability in the DocugamiReader class of the run-llama/llama_index repository, up to version 0.12.28, in
CVE-2025-6211 is a medium-severity flaw (CVSS 6.5) affecting llamaindex. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A vulnerability in the DocugamiReader class of the run-llama/llama_index repository, up to version 0.12.28, involves the use of MD5 hashing to generate IDs for document chunks. This approach leads to hash collisions when structurally distinct chunks contain identical text, resulting in one chunk overwriting another. This can cause loss of semantically or legally important document content, breakage of parent-child chunk hierarchies, and inaccurat
Why this priority
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 70%) |
| CISA exploited list | No |
| Weakness | CWE-440 |
| Published | 2025-07-10 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-6211?
llamaindex: upgrade to 0.3.1. Exact commands for each OS are on this page.
Is CVE-2025-6211 being exploited?
CVE-2025-6211 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-6211 affect?
CVE-2025-6211 affects llamaindex. Severity is medium (CVSS 6.5). A vulnerability in the DocugamiReader class of the run-llama/llama_index repository, up to version 0.12.28, involves the use of MD5 hashing to generate IDs for document chunks. This approach leads to hash collisions when structurally distin
How urgent is CVE-2025-6211?
Priority 40/100. Public exploit reference; Remotely exploitable, no login, no user action
Software pages
OpenAI and LLM tools vulnerabilities
Related CVEs
- CVE-2025-6210 MEDIUM 6.2 UPGRADE A vulnerability in the ObsidianReader class of the run-llama/llama_index repository, specifically in version 0
- CVE-2025-7707 HIGH 7.8 UPGRADE The llama_index library version 0.12.33 sets the NLTK data directory to a subdirectory of the codebase by defa
- CVE-2024-58339 HIGH 7.5 UPGRADE LlamaIndex (run-llama/llama_index) versions up to and including 0.12.2 contain an uncontrolled resource consum
- CVE-2024-14021 HIGH 7.8 UPGRADE LlamaIndex (run-llama/llama_index) versions up to and including 0.11.6 contain an unsafe deserialization vulne
- CVE-2025-6209 HIGH 7.5 UPGRADE A path traversal vulnerability exists in run-llama/llama_index versions 0.12.27 through 0.12.40, specifically