AEGLIX vulnerability intelligence
CVE-2026-75628
MEDIUM · CVSS 5.7 · Deferred
Published: 2026-08-20 · Updated: 2026-10-27 · Source: NVD
Stored catalog record
Source record retrieved 2026-10-28T10:25:56.818617+00:00. Scheduled imports handle updates; this page does not assert that the provider was queried just now.
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Vulnerability overview
Punk::OAuth2 versions before 0.03 for Perl allow an attacker-chosen off-site redirect after login because same_origin_path accepts a backslash or tab in the return parameter. oauth2_login reads the return parameter from the initiation request, runs same_origin_path over it, and stores the survivor in the session flow record as the post-login redirect target. That check rejects a value that does not begin with a slash, one with a slash as its second byte, and one containing CR or LF. A backslash and a tab pass. The URL Standard treats a backslash as equivalent to a slash for special schemes, so `/\evil.example` parses with the authority `evil.example`. It also strips ASCII tab before parsing, so a tab between two leading slashes leaves `//evil.example`. A crafted link to the application's own login route lands the victim on the attacker's site after a genuine authentication. The redirect carries no authorization code or access token.
Patch review priority
Assess exposure and vendor guidance
- No higher-priority signal is available in the current stored evidence.
FIRST EPSS: 0.50% · percentile 42.8 · score date 2026-10-27.
EPSS estimates probability of exploitation in the next 30 days. It does not measure your exposure or prove exploitation. The elevated threshold is 10%; CISA KEV takes precedence. About FIRST EPSS ↗
Severity and scoring
- CVSS score
- 5.7 · MEDIUM
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-601
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Not listed in the CISA catalog retrieved for this record. This does not establish that exploitation has not occurred.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
NVD has not supplied affected-version configurations for this record. Check the vendor references below.
Advisories and references
- https://datatracker.ietf.org/doc/html/rfc9700#section-4.11.1
- https://metacpan.org/release/LNATION/Punk-OAuth2-0.02/source/include/pox/pox_util.h#L94
- https://metacpan.org/release/LNATION/Punk-OAuth2-0.03/changes
- https://url.spec.whatwg.org/#concept-basic-url-parser
- https://url.spec.whatwg.org/#relative-slash-state
- http://www.openwall.com/lists/oss-security/2026/08/20/1