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CVE-2022-36032

19
FAUCET Score

CVE-2022-36032 affects ReactPHP HTTP server versions 0.7.0 through 1.6.x, stemming from improper URL decoding of cookie names. This flaw allows an attacker to potentially forge secure cookies (e.g., __Host- or __Secure- prefixed) by crafting specially encoded cookie names. Rated Medium severity (CVSS 5.3), it is a network-based attack with low complexity, impacting integrity by allowing unauthorized cookie manipulation. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.7.0, < 1.7.0CPE matchmatch criteria
cpe:2.3:a:reactphp:http:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.80%
Probability of exploitation in next 30 days
EPSS Percentile
53.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0080 is in the 33rd percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: react/httpFixed in: 1.7.0
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-w3w9-vrf5-8mx8medium

ReactPHP's HTTP server parses encoded cookie names so malicious `__Host-` and `__Secure-` cookies can be sent

Sep 16, 2022

References

github.com / reactphp/http/commit/663c9a3b77b71463fa7fcb76a6676ffd16979dd6
PatchThird Party Advisory
github.com / reactphp/http/pull/175
Issue TrackingPatchThird Party Advisory
github.com / reactphp/http/releases/tag/v1.7.0
Release NotesThird Party Advisory
github.com / reactphp/http/security/advisories/GHSA-w3w9-vrf5-8mx8
Issue TrackingPatchThird Party Advisory