vulnerability / NVI-00015316 / Revision 1
GitPython: Dormant multi-line git-config values are corrupted into live injected directives (e.g. core.hooksPath) on any unrelated GitConfigParser write, enabling RCE
GitHub lists this reviewed advisory for GitPython. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.
This report has not inspected your inventory, configuration, deployed build, reachability or evidence. A catalog listing and a severity score do not establish exposure or compromise.
01 / Meaning
Why it matters
Published affected context helps an owner decide what evidence to gather. This report has not examined your application.
9.8 critical
GitHub source severity; exploitability and local consequence require separate evidence.
As of · GitHub Advisory Database
02 / Applicability
The affected context
Affected versions, configuration prerequisites and known exclusions are public. Confirm each one against the deployed service.
GitPython
source listed<= 3.1.58
- **CWE:** CWE-88 (Argument Injection) / CWE-94 (Code Injection) — via a read-then-corrupt-on-rewrite config round trip, not a direct setter argument - **Affected component:** `git/config.py` — `GitConfigParser._read()` (multi-line value decoding, lines 444-541, esp. `string_decode()` at line 460 and its call sites at 519/541) and `GitConfigParser._write()`/`write_section()` (serialization, lines ~694-712, esp. line 708) - **Affected version:** GitPython at HEAD (`9729ed3b948f2bde09f1f188c5311e172212b67e`, 2026-08-05, VERSION `3.1.58`) ## Reachability GitPython added `UNSAFE_CONFIG_CHARS_RE` / `_value_to_string_safe()` / `_assure_config_name_safe()` guards (commits `c417af46`, `1ed1b924`, `a495ccd3`, and PR #2176) to reject a Python string containing a raw `\r`/`\n`/NUL byte, or syntax-bearing characters, when it is passed as an **argument** to `set()`, `set_value()`, `add_value()`, or `add_section()`. This closed the four config-injection GHSAs above. That guard is applied only on the write-argument surface. It is never consulted for values that entered `GitConfigParser._sections` via `_read()` — i.e. values that came from parsing an on-disk config file. And `_read()` legitimate
03 / Response
What to do next
- investigate
Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.
Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system. GitHub Advisory Database
A fixed release is not deployment evidence.
Check current vendor support and compatibility. After making a change, verify the deployed build and relevant runtime conditions. Keep the evidence, owner and time. An updated lockfile alone does not prove what is running.
04 / Limits
What this report cannot establish
- Customer inventory, deployment, reachability and exploitation have not been inspected.
05 / Provenance
Sources you can inspect
Each assertion retains its source. Mirrored records may repeat one underlying publisher; additional links are not independent corroboration.
- GHSA-284h-m62q-gf8w ↗
GitHub Advisory Database · vendor advisory
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Public revision history
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- Revision 1 ·
First indexed by Null; source disclosure date is shown separately.