# CVE-2023-26130: cpp-httplib: Versions of the package yhirose/cpp-httplib before 0.12.4 are vulnerable to CRLF Injection when untrusted user input...

CVE-2023-26130 is fixed in cpp-httplib on 1 platform, first by DEBIAN-CVE-2023-26130, released May 30, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-26130
- Priority: High
- CVSS: 8.8 (high)
- EPSS: 0.0114
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 30, 2023

## Description

Versions of the package yhirose/cpp-httplib before 0.12.4 are vulnerable to CRLF Injection when untrusted user input is used to set the content-type header in the HTTP .Patch, .Post, .Put and .Delete requests. This can lead to logical errors and other misbehaviors.  **Note:** This issue is present due to an incomplete fix for [CVE-2020-11709](https://security.snyk.io/vuln/SNYK-UNMANAGED-YHIROSECPPHTTPLIB-2366507).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | cpp-httplib Debian 12.15 (bookworm) | 0.11.4+ds-1+deb12u1 | [DEBIAN-CVE-2023-26130](https://patchblox.com/security/data/fix/linux/debian-cve-2023-26130.md) | May 30, 2023 |
| Linux | cpp-httplib Debian 13.5 (trixie) | 0.11.4+ds-2 | [DEBIAN-CVE-2023-26130](https://patchblox.com/security/data/fix/linux/debian-cve-2023-26130.md) | May 30, 2023 |
| Linux | cpp-httplib Debian 14 | 0.11.4+ds-2 | [DEBIAN-CVE-2023-26130](https://patchblox.com/security/data/fix/linux/debian-cve-2023-26130.md) | May 30, 2023 |

---

Data as of 2026-11-09T01:18:40Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.
