Dianping CAT Login/Logout Handler.java Handler.redirect
- Exploited
- No known exploitation
- Fix
- No fix listed
- Who is exposed
- Not reported
- Published
- Last modified
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 17/100 · provisional
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
Dianping CAT's login/logout handler (Handler.redirect) can be abused for an open redirect, letting an attacker send users to an arbitrary external site by manipulating the rtnUrl argument. The attack can be launched remotely without logging in but requires the victim to take an action, such as clicking a crafted link.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
Read the original description
A flaw has been found in Dianping CAT 3.0.0/3.1.0/4.0-RC1. This affects the function Handler.redirect of the file Handler.java of the component Login/Logout. Executing a manipulation of the argument rtnUrl can lead to open redirect. The attack may be performed from remote. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
cve.now Index
- Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
- Exposure7/25Reachable over the network without a login · Unknown: No advisory context yet
- Reach?/20Unknown. No tracked technology or package matched
- Severity5.3/10CVSS 5.3
- No patch5/5No patch listed yet
What would change the score
- Would score about 72 if added to CISA KEV
- Would score about 67 if CISA's SSVC rates exploitation active
- Would score about 32 if advisories confirm default setups are exposed
Timeline
- CVE published
- First seen by cve.now
Affected versions
- Dianping CAT
3.0.0, 3.1.0, 4.0-RC1
Evidence 4
- Advisory
- Advisory
- Advisory
- Advisory
Corrections
None so far.
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Questions about CVE-2026-124505
Is CVE-2026-124505 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data
Which versions are affected by CVE-2026-124505?
CAT: versions 3.0.0, 3.1.0, 4.0-RC1.Source: cve.now feed data