CVE-2025-50360: pepper-lang · n/a
Affects pepper-langSource CVE Database V5
Not known to be exploited · CVSS 8.4 High.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 14% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 3 Dec 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubdannyvankooten/pepper-langpkg:github/dannyvankooten/pepper-langOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
1. Restrict access to systems running the Pepper language compiler to trusted personnel only, minimizing the risk of malicious source files being compiled. 2. Implement strict source code validation and scanning to detect and block potentially malicious .pr files before compilation. 3. Use sandboxing or containerization to isolate the compiler process, limiting the impact of potential exploitation. 4. Monitor build and compilation logs for unusual errors or crashes that could indicate exploitation attempts. 5. Establish network segmentation to separate development environments from critical production systems. 6. Prepare incident response plans specific to development environment compromises. 7. Stay alert for official patches or updates from the Pepper language maintainers and apply them promptly once available. 8. Consider alternative compilers or languages if feasible until a patch is released. 9. Educate developers and build engineers about the risks of compiling untrusted source code. 10. Employ endpoint detection and response (EDR) tools to detect anomalous behavior on developer machines.
Description
CVE-2025-50360 is a high-severity heap buffer overflow vulnerability in the Pepper language compiler (version 0.1.1). Exploiting this flaw by processing a malicious . pr source file can lead to arbitrary code execution or denial of service without requiring user interaction or privileges. The vulnerability affects the compiler.c and compiler.h components, allowing an attacker with local access to execute code or crash the compiler. No patches are currently available, and no known exploits have been observed in the wild. European organizations using Pepper language for development or automation are at risk, especially those relying on version 0.