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CVE-2025-70887

27
FAUCET Score

CVE-2025-70887 describes a high-severity privilege escalation vulnerability in ralphje Signify versions prior to 0.9.2, specifically impacting the signed_data.py and context.py components. This flaw carries a CVSS score of 8.8 (High), indicating that a remote attacker with low privileges can exploit it with low complexity and no user interaction, leading to high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code available on platforms like Metasploit or ExploitDB, the vulnerability has garnered minimal community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.9.2CPE matchmatch criteria
cpe:2.3:a:ralphje:signify:*:*:*:*:*:python:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.34%
Probability of exploitation in next 30 days
EPSS Percentile
26.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0034 is in the 14th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: signifyFixed in: 0.9.2

Vendor Advisories (1)

pipGHSA-p4hh-mq57-gq8xhigh

Signify allows a remote attacker to escalate privileges via the signed_data.py and the context.py components

Mar 25, 2026

References

github.com / mtrojnar/osslsigncode/issues/475
Not Applicable
github.com / mtrojnar/osslsigncode/pull/477
Not Applicable
github.com / mtrojnar/osslsigncode/releases/tag/2.11
Not Applicable
github.com / ralphje/signify/commit/64f21c0cc06cea0536370686ca3ba7a01e4adaa8
Patch
github.com / ralphje/signify/issues/60
Issue Tracking