Code injection in DeepPavlov multitask preprocessor
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-94.
Summary
DeepPavlov versions up to 1.7.0 contain a code injection flaw in the __init__ method of MultiTaskPipelinePreprocessor in deeppavlov/models/preprocessors/multitask_preprocessor.py. Manipulating the preprocessor argument lets attacker-supplied input be executed as code (CWE-94). A remote attacker with low privileges can exploit it with user interaction. A public exploit has been disclosed and is linked in the references.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
A vulnerability was determined in DeepPavlov up to 1.7.0. This affects the function MultiTaskPipelinePreprocessor.__init__ of the file deeppavlov/models/preprocessors/multitask_preprocessor.py. This manipulation of the argument preprocessor causes code injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | DeepPavlov | 1.0; 1.1; 1.2; 1.3; 1.4; 1.5; 1.6; 1.7.0 | — | No fix listed | CNA |
- DeepPavlov Vendor— Affected 1.0; 1.1; 1.2; 1.3; 1.4; 1.5; 1.6; 1.7.0 Fixed in — No fix listed CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:deeppavlov:deeppavlov:*:*:*:*:*:*:*:* | — | — | — |
- cpe:2.3:a:deeppavlov:deeppavlov:*:*:*:*:*:*:*:* Versions — — ·—
Remediation
The sources list no fixed version for DeepPavlov.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Timeline
- 2026-10-19 Threatist record created from CVE-2026-112100
- 2026-10-19 Alias added: GHSA-cf3x-8r8x-x6ch
- 2026-10-22 CISA SSVC decision points changed
- 2026-10-22 Priority changed: LOW → MEDIUM
References
Sources
- CVE-2026-112100 · CVE Program
- CVE-2026-112100 · NVD
- FIRST EPSS
- GHSA-cf3x-8r8x-x6ch · GitHub Advisory Database · CC BY 4.0
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