🛡️ ECHO-8ffe-c246-e62c — path-to-regexp

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Fix backtracking protection. Adjusts pos/backtrack tracking inside the

path replacer so backslash and dot matches don't reset the backtrack

buffer prematurely, preventing ReDoS via crafted inputs.

Backported from https://github.com/pillarjs/path-to-regexp/commit/f01c26a013b1889f0c217c643964513acf17f6a4

(shipped upstream as 0.1.12). The index.js hunk is upstream verbatim;

the test.js hunk reuses upstream's test but is repositioned to land

inside v0.1.10's describe('path-to-regexp', ...) block (upstream's

diff context expected an intervening non-security commit not present

in 0.1.10).

Affected software

ECHO-8ffe-c246-e62c is recorded against 1 package.

  • path-to-regexp (fixed in 0.1.10+echo.1)

Timeline and source

Published on 7 May 2026 and last revised on 20 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

advisory.echohq.com (Web)
github.com (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-05-07
Updated 2026-08-11
Modified 2026-07-20
Fix URL N/A

Affected Packages

Software From version Fixed in
path-to-regexp — 0.1.10+echo.1

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