CVE-2026-54787Disclosure

LOW

Signal is active with 5 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

0.5/ 10 priority

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

  • Patch or workaround signal is available
  • 5 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 5 signals
  • Disclosure: 2 classified signals
  • General: 1 classified signal
  • 5 total mentions across 1 day

Deep dive

Activity timeline5 mentions / 1d
01345Mentions · 2026-08-01: 5Patch / Workaround · 2026-08-01: 2Technical Details · 2026-08-01: 508-01
Signal classification3 categories
Disclosure
240.0%
Patch
240.0%
General
120.0%
Referenced assets5 URLs
Full discourse5 posts
  • DailyCVE@dailycve
    Disclosure

    🔵 (sigstore-go), Use of a Key Past its Expiration Date, #CVE-2026-54787 (LOW) -DC-Aug2026-1223 https://dailycve.com/sigstore-go-use-of-a-key-past-its-expiration-date-cve-2026-54787-low-dc-aug2026-1223/

    Post summary

    A low‑severity CVE‑2026‑54787, concerning the use of an expired key in sigstore‑go, is disclosed without mention of exploitation, exploit tools, or remediation.

    0001058
    225 followersView on X
  • Infoflowcloud@infoflowcloud
    General

    🚨*CVE* CVE-2026-54787 sigstore-go is a Go library for Sigstore signing and verification. Prior to 1.2.1, sigstore-go does not check a bundle signing timestamp against the validity window o… https://www.cve.org/CVERecord?id=CVE-2026-54787 ----- Traducción: CVE-2026-54787 sig… http://infoflow.cloud`

    Post summary

    The post identifies CVE‑2026‑54787 as a timestamp‑validation flaw in sigstore‑go but provides no information on exploitation, patching, or proof‑of‑concept.

    0000034
    96 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-54787 sigstore-go is a Go library for Sigstore signing and verification. Prior to 1.2.1, sigstore-go does not check a bundle signing timestamp against the validity window o… https://www.cve.org/CVERecord?id=CVE-2026-54787

    Post summary

    The passage discloses CVE-2026-54787, noting a missing timestamp verification in sigstore-go, but provides no exploit, PoC, patch, or evidence of active exploitation.

    000001.0K
    57.9K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Patch

    CVE-2026-54787 Timestamp Validation Bypass in sigstore-go Prior to Version 1.2.1 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-54787

    Post summary

    The CVE-2026-54787 describes a timestamp validation bypass in sigstore-go, with the issue fixed in version 1.2.1; no PoC, exploit, or active exploitation details are provided.

    00000116
    4.1K followersView on X
  • Israel@f1tym1
    Patch

    CVE-2026-54787 in sigstore-go allows expired keys to sign code, fixed in v1.2․1 https://ift.tt/tkWh9VX

    Post summary

    CVE-2026-54787 in sigstore-go allows expired keys to sign code; the issue is addressed and fixed in version v1.2.1.

    0000075
    1.0K followersView on X

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