CVE-2024-21624
Potential Information Leak in User-Constructed Message Templates in nonebot2
nonebot2 is a cross-platform Python asynchronous chatbot framework written in Python. This security advisory pertains to a potential information leak (e.g., environment variables) in instances where developers utilize MessageTemplate and incorporate user-provided data into templates. The identified vulnerability has been remedied in pull request #2509 and will be included in versions released from 2.2.0. Users are strongly advised to upgrade to these patched versions to safeguard against the vulnerability. A temporary workaround involves filtering underscores before incorporating user input into the message template.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Potential Information Leak in User-Constructed Message Templates in nonebot2
nonebot2 is a cross-platform Python asynchronous chatbot framework written in Python. This security advisory pertains to a potential information leak (e.g., environment variables) in instances where developers utilize MessageTemplate and incorporate user-provided data into templates. The identified vulnerability has been remedied in pull request #2509 and will be included in versions released from 2.2.0. Users are strongly advised to upgrade to these patched versions to safeguard against the vulnerability. A temporary workaround involves filtering underscores before incorporating user input into the message template.
- Record
CVE-2024-21624- CVSS 3.1
- 5.7 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
EUVDEUVD-2024-0119
nonebot2 is a cross-platform Python asynchronous chatbot framework written in Python. This security advisory pertains to a potential information leak (e.g., environment variables) in instances where developers utilize MessageTemplate and incorporate user-provided data into templates. The identified vulnerability has been remedied in pull request #2509 and will be included in versions released from 2.2.0. Users are strongly advised to upgrade to these patched versions to safeguard against the vulnerability. A temporary workaround involves filtering underscores before incorporating user input into the message template.
- Record
EUVD-2024-0119- CVSS 3.1
- 5.7 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-59j8-776v-xxxg
NoneBot Potential Information Leak in User-Constructed Message Templates
Impact
This security advisory pertains to a potential information leak (e.g., environment variables) in instances where developers utilize MessageTemplate and incorporate user-provided data into templates.
Patches
The identified vulnerability has been remedied in fix #2509 and will be included in versions released after 2.1.3. Users are strongly advised to upgrade to these patched versions to safeguard against the vulnerability.
Workarounds
A temporary workaround involves filtering underscores before incorporating user input into the message template.
References
- Record
GHSA-59j8-776v-xxxg- CVSS 3.1
- 5.7 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-200, CWE-1336
- Updated
- 2026-11-02
NVD
nonebot2 is a cross-platform Python asynchronous chatbot framework written in Python. This security advisory pertains to a potential information leak (e.g., environment variables) in instances where developers utilize MessageTemplate and incorporate user-provided data into templates. The identified vulnerability has been remedied in pull request #2509 and will be included in versions released from 2.2.0. Users are strongly advised to upgrade to these patched versions to safeguard against the vulnerability. A temporary workaround involves filtering underscores before incorporating user input into the message template.
- Record
CVE-2024-21624- CVSS 3.1
- 5.7 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
OSV
Potential Information Leak in User-Constructed Message Templates in nonebot2
nonebot2 is a cross-platform Python asynchronous chatbot framework written in Python. This security advisory pertains to a potential information leak (e.g., environment variables) in instances where developers utilize MessageTemplate and incorporate user-provided data into templates. The identified vulnerability has been remedied in pull request #2509 and will be included in versions released from 2.2.0. Users are strongly advised to upgrade to these patched versions to safeguard against the vulnerability. A temporary workaround involves filtering underscores before incorporating user input into the message template.
- Record
CVE-2024-21624- CVSS 3.1
- 5.7 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
OSVGHSA-59j8-776v-xxxg
NoneBot Potential Information Leak in User-Constructed Message Templates
Impact
This security advisory pertains to a potential information leak (e.g., environment variables) in instances where developers utilize MessageTemplate and incorporate user-provided data into templates.
Patches
The identified vulnerability has been remedied in fix #2509 and will be included in versions released after 2.1.3. Users are strongly advised to upgrade to these patched versions to safeguard against the vulnerability.
Workarounds
A temporary workaround involves filtering underscores before incorporating user input into the message template.
References
- Record
GHSA-59j8-776v-xxxg- CVSS 3.1
- 5.7 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-1336, CWE-200
- Updated
- 2026-11-02
OSVPYSEC-2024-37
nonebot2 is a cross-platform Python asynchronous chatbot framework written in Python. This security advisory pertains to a potential information leak (e.g., environment variables) in instances where developers utilize MessageTemplate and incorporate user-provided data into templates. The identified vulnerability has been remedied in pull request #2509 and will be included in versions released from 2.2.0. Users are strongly advised to upgrade to these patched versions to safeguard against the vulnerability. A temporary workaround involves filtering underscores before incorporating user input into the message template.
- Record
PYSEC-2024-37- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
nonebot2PyPI | 2.0.0a16 to 2.1.3 | 2.2.0 |
nonebot2PyPI | 2.0.0a16 up to 2.2.0, plus listed versions 2.0.02.0.0b12.0.0b22.0.0b32.0.0b4 Show 10 moreShow less2.0.0b52.0.0rc12.0.0rc22.0.0rc32.0.0rc42.0.12.1.02.1.12.1.22.1.3 | 2.2.0 |
nonebot2PyPI | 2.0.1 up to 2.2.0, plus listed versions 2.1.02.1.12.1.22.1.3 | 2.2.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-21624 is a medium vulnerability (CVSS 5.7) in Nonebot, published February 9, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.49%, the 42nd percentile. Fixed in nonebot2 2.2.0.
References
github.com/nonebot/nonebot2/security/advisories/GHSA-59j8-776v-xxxg
nvd.nist.gov/vuln/detail/CVE-2024-21624